137945398 has 16 divisors (see below), whose sum is σ = 221752800. Its totient is φ = 64190016.

The previous prime is 137945389. The next prime is 137945411. The reversal of 137945398 is 893549731.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38823 + ... + 42226.

It is an arithmetic number, because the mean of its divisors is an integer number (13859550).

Almost surely, 2^137945398 is an apocalyptic number.

137945398 is a deficient number, since it is larger than the sum of its proper divisors (83807402).

137945398 is a wasteful number, since it uses less digits than its factorization.

137945398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81111.

The product of its digits is 816480, while the sum is 49.

The square root of 137945398 is about 11745.0158790868. The cubic root of 137945398 is about 516.6967606936.

The spelling of 137945398 in words is "one hundred thirty-seven million, nine hundred forty-five thousand, three hundred ninety-eight".