137504056 has 8 divisors (see below), whose sum is σ = 257820120. Its totient is φ = 68752024.

The previous prime is 137504047. The next prime is 137504089. The reversal of 137504056 is 650405731.

137504056 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×137504056² = 37814730832902272, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8593996 + ... + 8594011.

It is an arithmetic number, because the mean of its divisors is an integer number (32227515).

Almost surely, 2^137504056 is an apocalyptic number.

It is an amenable number.

137504056 is a deficient number, since it is larger than the sum of its proper divisors (120316064).

137504056 is a wasteful number, since it uses less digits than its factorization.

137504056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17188013 (or 17188009 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 31.

The square root of 137504056 is about 11726.2123467043. The cubic root of 137504056 is about 516.1451327427.

Adding to 137504056 its reverse (650405731), we get a palindrome (787909787).

The spelling of 137504056 in words is "one hundred thirty-seven million, five hundred four thousand, fifty-six".