137842915 has 16 divisors (see below), whose sum is σ = 189453312. Its totient is φ = 94315104.

The previous prime is 137842909. The next prime is 137842921. The reversal of 137842915 is 519248731.

It is an interprime number because it is at equal distance from previous prime (137842909) and next prime (137842921).

It is a cyclic number.

It is not a de Polignac number, because 137842915 - 2⁵ = 137842883 is a prime.

It is a Duffinian number.

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 15 ways as a sum of consecutive naturals, for example, 13002 + ... + 21088.

It is an arithmetic number, because the mean of its divisors is an integer number (11840832).

Almost surely, 2^137842915 is an apocalyptic number.

137842915 is a deficient number, since it is larger than the sum of its proper divisors (51610397).

137842915 is an equidigital number, since it uses as much as digits as its factorization.

137842915 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8586.

The product of its digits is 60480, while the sum is 40.

The square root of 137842915 is about 11740.6522391220. The cubic root of 137842915 is about 516.5687734523.

The spelling of 137842915 in words is "one hundred thirty-seven million, eight hundred forty-two thousand, nine hundred fifteen".