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137415040 = 275737829
BaseRepresentation
bin10000011000011…
…00100110000000
3100120120101222221
420030030212000
5240134240130
621345140424
73256002640
oct1014144600
9316511887
10137415040
1170626a54
123a02a714
1322613899
1414370520
15c0e587a
hex830c980

137415040 has 128 divisors (see below), whose sum is σ = 386049600. Its totient is φ = 45785088.

The previous prime is 137415017. The next prime is 137415181. The reversal of 137415040 is 40514731.

It is a tau number, because it is divible by the number of its divisors (128).

It is a junction number, because it is equal to n+sod(n) for n = 137414996 and 137415014.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 165346 + ... + 166174.

Almost surely, 2137415040 is an apocalyptic number.

137415040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 137415040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (193024800).

137415040 is an abundant number, since it is smaller than the sum of its proper divisors (248634560).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

137415040 is an equidigital number, since it uses as much as digits as its factorization.

137415040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 892 (or 880 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 137415040 is about 11722.4161332039. The cubic root of 137415040 is about 516.0337297423.

Adding to 137415040 its reverse (40514731), we get a palindrome (177929771).

It can be divided in two parts, 13741 and 5040, that added together give a palindrome (18781).

The spelling of 137415040 in words is "one hundred thirty-seven million, four hundred fifteen thousand, forty".

Divisors: 1 2 4 5 7 8 10 14 16 20 28 32 35 37 40 56 64 70 74 80 112 128 140 148 160 185 224 259 280 296 320 370 448 518 560 592 640 740 829 896 1036 1120 1184 1295 1480 1658 2072 2240 2368 2590 2960 3316 4144 4145 4480 4736 5180 5803 5920 6632 8288 8290 10360 11606 11840 13264 16576 16580 20720 23212 23680 26528 29015 30673 33152 33160 41440 46424 53056 58030 61346 66320 82880 92848 106112 116060 122692 132640 153365 165760 185696 214711 232120 245384 265280 306730 371392 429422 464240 490768 530560 613460 742784 858844 928480 981536 1073555 1226920 1717688 1856960 1963072 2147110 2453840 3435376 3713920 3926144 4294220 4907680 6870752 8588440 9815360 13741504 17176880 19630720 27483008 34353760 68707520 137415040