137937966 has 24 divisors (see below), whose sum is σ = 293062200. Its totient is φ = 43274112.

The previous prime is 137937913. The next prime is 137937971. The reversal of 137937966 is 669739731.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 38041 + ... + 41508.

It is an arithmetic number, because the mean of its divisors is an integer number (12210925).

Almost surely, 2^137937966 is an apocalyptic number.

137937966 is an abundant number, since it is smaller than the sum of its proper divisors (155124234).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

137937966 is a wasteful number, since it uses less digits than its factorization.

137937966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79588 (or 79571 counting only the distinct ones).

The product of its digits is 1285956, while the sum is 51.

The square root of 137937966 is about 11744.6994852997. The cubic root of 137937966 is about 516.6874812750.

The spelling of 137937966 in words is "one hundred thirty-seven million, nine hundred thirty-seven thousand, nine hundred sixty-six".