137870930 has 16 divisors (see below), whose sum is σ = 256725720. Its totient is φ = 53246592.

The previous prime is 137870923. The next prime is 137870983. The reversal of 137870930 is 39078731.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 88604569 + 49266361 = 9413^2 + 7019^2 .

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, 237419 + ... + 237998.

Almost surely, 2^137870930 is an apocalyptic number.

137870930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

137870930 is a deficient number, since it is larger than the sum of its proper divisors (118854790).

137870930 is a wasteful number, since it uses less digits than its factorization.

137870930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 475453.

The product of its (nonzero) digits is 31752, while the sum is 38.

The square root of 137870930 is about 11741.8452553251. The cubic root of 137870930 is about 516.6037666519.

The spelling of 137870930 in words is "one hundred thirty-seven million, eight hundred seventy thousand, nine hundred thirty".