137220370 has 16 divisors (see below), whose sum is σ = 282282048. Its totient is φ = 47046960.

The previous prime is 137220329. The next prime is 137220403. The reversal of 137220370 is 73022731.

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 7 ways as a sum of consecutive naturals, for example, 980076 + ... + 980215.

It is an arithmetic number, because the mean of its divisors is an integer number (17642628).

Almost surely, 2^137220370 is an apocalyptic number.

137220370 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

137220370 is an abundant number, since it is smaller than the sum of its proper divisors (145061678).

137220370 is a wasteful number, since it uses less digits than its factorization.

137220370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1960305.

The product of its (nonzero) digits is 1764, while the sum is 25.

The square root of 137220370 is about 11714.1098680181. The cubic root of 137220370 is about 515.7899336219.

The spelling of 137220370 in words is "one hundred thirty-seven million, two hundred twenty thousand, three hundred seventy".