137957523 has 16 divisors (see below), whose sum is σ = 200928000. Its totient is φ = 83501280.

The previous prime is 137957507. The next prime is 137957527. The reversal of 137957523 is 325759731.

It is not a de Polignac number, because 137957523 - 2⁴ = 137957507 is a prime.

It is not an unprimeable number, because it can be changed into a prime (137957527) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28053 + ... + 32601.

It is an arithmetic number, because the mean of its divisors is an integer number (12558000).

Almost surely, 2^137957523 is an apocalyptic number.

137957523 is a deficient number, since it is larger than the sum of its proper divisors (62970477).

137957523 is a wasteful number, since it uses less digits than its factorization.

137957523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5482.

The product of its digits is 198450, while the sum is 42.

The square root of 137957523 is about 11745.5320441434. The cubic root of 137957523 is about 516.7118989652.

The spelling of 137957523 in words is "one hundred thirty-seven million, nine hundred fifty-seven thousand, five hundred twenty-three".