137660137 has 2 divisors, whose sum is σ = 137660138. Its totient is φ = 137660136.

The previous prime is 137660123. The next prime is 137660161. The reversal of 137660137 is 731066731.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 82737216 + 54922921 = 9096^2 + 7411^2 .

It is an emirp because it is prime and its reverse (731066731) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 137660137 - 2²⁷ = 3442409 is a prime.

It is not a weakly prime, because it can be changed into another prime (137660167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68830068 + 68830069.

It is an arithmetic number, because the mean of its divisors is an integer number (68830069).

Almost surely, 2^137660137 is an apocalyptic number.

It is an amenable number.

137660137 is a deficient number, since it is larger than the sum of its proper divisors (1).

137660137 is an equidigital number, since it uses as much as digits as its factorization.

137660137 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15876, while the sum is 34.

The square root of 137660137 is about 11732.8656772333. The cubic root of 137660137 is about 516.3403511932.

The spelling of 137660137 in words is "one hundred thirty-seven million, six hundred sixty thousand, one hundred thirty-seven".