137937938 has 4 divisors (see below), whose sum is σ = 206906910. Its totient is φ = 68968968.

The previous prime is 137937913. The next prime is 137937971. The reversal of 137937938 is 839739731.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 99460729 + 38477209 = 9973^2 + 6203^2 .

It is a super-3 number, since 3×137937938³ (a number of 25 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34484483 + ... + 34484486.

Almost surely, 2^137937938 is an apocalyptic number.

137937938 is a deficient number, since it is larger than the sum of its proper divisors (68968972).

137937938 is an equidigital number, since it uses as much as digits as its factorization.

137937938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68968971.

The product of its digits is 857304, while the sum is 50.

The square root of 137937938 is about 11744.6982932726. The cubic root of 137937938 is about 516.6874463142.

The spelling of 137937938 in words is "one hundred thirty-seven million, nine hundred thirty-seven thousand, nine hundred thirty-eight".