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137344140 = 223351671523
BaseRepresentation
bin10000010111110…
…11010010001100
3100120102210202000
420023323102030
5240130003030
621343432300
73255256143
oct1013732214
9316383660
10137344140
117058875a
1239bb5690
13225ba52b
141435275a
15c0ce860
hex82fb48c

137344140 has 96 divisors (see below), whose sum is σ = 430133760. Its totient is φ = 36381888.

The previous prime is 137344133. The next prime is 137344159. The reversal of 137344140 is 41443731.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 89419 + ... + 90941.

It is an arithmetic number, because the mean of its divisors is an integer number (4480560).

Almost surely, 2137344140 is an apocalyptic number.

137344140 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 137344140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (215066880).

137344140 is an abundant number, since it is smaller than the sum of its proper divisors (292789620).

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

137344140 is a wasteful number, since it uses less digits than its factorization.

137344140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1708 (or 1700 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 137344140 is about 11719.3916224350. The cubic root of 137344140 is about 515.9449643844.

Adding to 137344140 its reverse (41443731), we get a palindrome (178787871).

The spelling of 137344140 in words is "one hundred thirty-seven million, three hundred forty-four thousand, one hundred forty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 27 30 36 45 54 60 90 108 135 167 180 270 334 501 540 668 835 1002 1503 1523 1670 2004 2505 3006 3046 3340 4509 4569 5010 6012 6092 7515 7615 9018 9138 10020 13707 15030 15230 18036 18276 22545 22845 27414 30060 30460 41121 45090 45690 54828 68535 82242 90180 91380 137070 164484 205605 254341 274140 411210 508682 763023 822420 1017364 1271705 1526046 2289069 2543410 3052092 3815115 4578138 5086820 6867207 7630230 9156276 11445345 13734414 15260460 22890690 27468828 34336035 45781380 68672070 137344140