137370157 has 2 divisors, whose sum is σ = 137370158. Its totient is φ = 137370156.

The previous prime is 137370151. The next prime is 137370199. The reversal of 137370157 is 751073731.

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., 113614281 + 23755876 = 10659^2 + 4874^2 .

It is a cyclic number.

It is not a de Polignac number, because 137370157 - 2⁷ = 137370029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (137370151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68685078 + 68685079.

It is an arithmetic number, because the mean of its divisors is an integer number (68685079).

Almost surely, 2^137370157 is an apocalyptic number.

It is an amenable number.

137370157 is a deficient number, since it is larger than the sum of its proper divisors (1).

137370157 is an equidigital number, since it uses as much as digits as its factorization.

137370157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15435, while the sum is 34.

The square root of 137370157 is about 11720.5015677658. The cubic root of 137370157 is about 515.9775406866.

The spelling of 137370157 in words is "one hundred thirty-seven million, three hundred seventy thousand, one hundred fifty-seven".