137686370 has 16 divisors (see below), whose sum is σ = 249646968. Its totient is φ = 54672000.

The previous prime is 137686363. The next prime is 137686397. The reversal of 137686370 is 73686731.

It can be written as a sum of positive squares in 4 ways, for example, as 92756161 + 44930209 = 9631^2 + 6703^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48881 + ... + 51620.

Almost surely, 2^137686370 is an apocalyptic number.

137686370 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

137686370 is a deficient number, since it is larger than the sum of its proper divisors (111960598).

137686370 is a wasteful number, since it uses less digits than its factorization.

137686370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100645.

The product of its (nonzero) digits is 127008, while the sum is 41.

The square root of 137686370 is about 11733.9835520594. The cubic root of 137686370 is about 516.3731476546.

The spelling of 137686370 in words is "one hundred thirty-seven million, six hundred eighty-six thousand, three hundred seventy".