137376986 has 8 divisors (see below), whose sum is σ = 206580564. Its totient is φ = 68516800.

The previous prime is 137376919. The next prime is 137376991. The reversal of 137376986 is 689673731.

It can be written as a sum of positive squares in 2 ways, for example, as 137334961 + 42025 = 11719^2 + 205^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 84845 + ... + 86448.

Almost surely, 2^137376986 is an apocalyptic number.

137376986 is a deficient number, since it is larger than the sum of its proper divisors (69203578).

137376986 is a wasteful number, since it uses less digits than its factorization.

137376986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171696.

The product of its digits is 1143072, while the sum is 50.

The square root of 137376986 is about 11720.7928912681. The cubic root of 137376986 is about 515.9860907053.

The spelling of 137376986 in words is "one hundred thirty-seven million, three hundred seventy-six thousand, nine hundred eighty-six".