137756536 has 16 divisors (see below), whose sum is σ = 271888200. Its totient is φ = 65253024.

The previous prime is 137756533. The next prime is 137756611. The reversal of 137756536 is 635657731.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 137756492 and 137756501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137756533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 452995 + ... + 453298.

Almost surely, 2^137756536 is an apocalyptic number.

It is an amenable number.

137756536 is a deficient number, since it is larger than the sum of its proper divisors (134131664).

137756536 is a wasteful number, since it uses less digits than its factorization.

137756536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 906318 (or 906314 counting only the distinct ones).

The product of its digits is 396900, while the sum is 43.

The square root of 137756536 is about 11736.9730339641. The cubic root of 137756536 is about 516.4608486264.

The spelling of 137756536 in words is "one hundred thirty-seven million, seven hundred fifty-six thousand, five hundred thirty-six".