137374697 has 2 divisors, whose sum is σ = 137374698. Its totient is φ = 137374696.

The previous prime is 137374681. The next prime is 137374717. The reversal of 137374697 is 796473731.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 69822736 + 67551961 = 8356^2 + 8219^2 .

It is a cyclic number.

It is not a de Polignac number, because 137374697 - 2⁴ = 137374681 is a prime.

It is not a weakly prime, because it can be changed into another prime (137371697) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68687348 + 68687349.

It is an arithmetic number, because the mean of its divisors is an integer number (68687349).

Almost surely, 2^137374697 is an apocalyptic number.

It is an amenable number.

137374697 is a deficient number, since it is larger than the sum of its proper divisors (1).

137374697 is an equidigital number, since it uses as much as digits as its factorization.

137374697 is an evil number, because the sum of its binary digits is even.

The product of its digits is 666792, while the sum is 47.

The square root of 137374697 is about 11720.6952438838. The cubic root of 137374697 is about 515.9832248718.

The spelling of 137374697 in words is "one hundred thirty-seven million, three hundred seventy-four thousand, six hundred ninety-seven".