137516377 has 2 divisors, whose sum is σ = 137516378. Its totient is φ = 137516376.

The previous prime is 137516369. The next prime is 137516381. The reversal of 137516377 is 773615731.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 111598096 + 25918281 = 10564^2 + 5091^2 .

It is a cyclic number.

It is not a de Polignac number, because 137516377 - 2³ = 137516369 is a prime.

It is a super-2 number, since 2×137516377² = 37821507886412258, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (137516177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68758188 + 68758189.

It is an arithmetic number, because the mean of its divisors is an integer number (68758189).

Almost surely, 2^137516377 is an apocalyptic number.

It is an amenable number.

137516377 is a deficient number, since it is larger than the sum of its proper divisors (1).

137516377 is an equidigital number, since it uses as much as digits as its factorization.

137516377 is an evil number, because the sum of its binary digits is even.

The product of its digits is 92610, while the sum is 40.

The square root of 137516377 is about 11726.7376963928. The cubic root of 137516377 is about 516.1605486134.

The spelling of 137516377 in words is "one hundred thirty-seven million, five hundred sixteen thousand, three hundred seventy-seven".