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137076440 = 23517474289
BaseRepresentation
bin10000010101110…
…01111011011000
3100112221012112012
420022321323120
5240042421230
621334005052
73253062524
oct1012717330
9315835465
10137076440
1170415616
1239aa6788
1322525727
14142c2d84
15c07a395
hex82b9ed8

137076440 has 64 divisors (see below), whose sum is σ = 333590400. Its totient is φ = 50495488.

The previous prime is 137076437. The next prime is 137076473. The reversal of 137076440 is 44670731.

It is a happy number.

137076440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 137076397 and 137076406.

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, 29816 + ... + 34104.

It is an arithmetic number, because the mean of its divisors is an integer number (5212350).

Almost surely, 2137076440 is an apocalyptic number.

137076440 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 137076440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (166795200).

137076440 is an abundant number, since it is smaller than the sum of its proper divisors (196513960).

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

137076440 is a wasteful number, since it uses less digits than its factorization.

137076440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4364 (or 4360 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 32.

The square root of 137076440 is about 11707.9648103332. The cubic root of 137076440 is about 515.6095337387.

The spelling of 137076440 in words is "one hundred thirty-seven million, seventy-six thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 17 20 34 40 47 68 85 94 136 170 188 235 340 376 470 680 799 940 1598 1880 3196 3995 4289 6392 7990 8578 15980 17156 21445 31960 34312 42890 72913 85780 145826 171560 201583 291652 364565 403166 583304 729130 806332 1007915 1458260 1612664 2015830 2916520 3426911 4031660 6853822 8063320 13707644 17134555 27415288 34269110 68538220 137076440