137534397 has 64 divisors (see below), whose sum is σ = 248586240. Its totient is φ = 65707200.

The previous prime is 137534393. The next prime is 137534399. The reversal of 137534397 is 793435731.

It is not a de Polignac number, because 137534397 - 2² = 137534393 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137534393) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 507372 + ... + 507642.

It is an arithmetic number, because the mean of its divisors is an integer number (3884160).

Almost surely, 2^137534397 is an apocalyptic number.

It is an amenable number.

137534397 is a deficient number, since it is larger than the sum of its proper divisors (111051843).

137534397 is a wasteful number, since it uses less digits than its factorization.

137534397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 331 (or 305 counting only the distinct ones).

The product of its digits is 238140, while the sum is 42.

The square root of 137534397 is about 11727.5060008512. The cubic root of 137534397 is about 516.1830933387.

The spelling of 137534397 in words is "one hundred thirty-seven million, five hundred thirty-four thousand, three hundred ninety-seven".