Search a number
-
+
137438156 = 22231997507
BaseRepresentation
bin10000011000100…
…10001111001100
3100120121120201002
420030102033030
5240141010111
621345435432
73256130222
oct1014221714
9316546632
10137438156
1170642359
123a03bb78
132262126b
1414378b12
15c0ec63b
hex83123cc

137438156 has 24 divisors (see below), whose sum is σ = 252268800. Its totient is φ = 65392272.

The previous prime is 137438143. The next prime is 137438167. The reversal of 137438156 is 651834731.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14555 + ... + 22061.

It is an arithmetic number, because the mean of its divisors is an integer number (10511200).

Almost surely, 2137438156 is an apocalyptic number.

It is an amenable number.

137438156 is a deficient number, since it is larger than the sum of its proper divisors (114830644).

137438156 is a wasteful number, since it uses less digits than its factorization.

137438156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7733 (or 7731 counting only the distinct ones).

The product of its digits is 60480, while the sum is 38.

The square root of 137438156 is about 11723.4020659534. The cubic root of 137438156 is about 516.0626639038.

The spelling of 137438156 in words is "one hundred thirty-seven million, four hundred thirty-eight thousand, one hundred fifty-six".

Divisors: 1 2 4 23 46 92 199 398 796 4577 7507 9154 15014 18308 30028 172661 345322 690644 1493893 2987786 5975572 34359539 68719078 137438156