137868597 has 6 divisors (see below), whose sum is σ = 199143542. Its totient is φ = 91912392.

The previous prime is 137868569. The next prime is 137868607. The reversal of 137868597 is 795868731.

It can be written as a sum of positive squares in only one way, i.e., 78747876 + 59120721 = 8874^2 + 7689^2 .

It is not a de Polignac number, because 137868597 - 2¹⁵ = 137835829 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137868557) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7659358 + ... + 7659375.

Almost surely, 2^137868597 is an apocalyptic number.

It is an amenable number.

137868597 is a deficient number, since it is larger than the sum of its proper divisors (61274945).

137868597 is a wasteful number, since it uses less digits than its factorization.

137868597 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15318739 (or 15318736 counting only the distinct ones).

The product of its digits is 2540160, while the sum is 54.

The square root of 137868597 is about 11741.7459093612. The cubic root of 137868597 is about 516.6008527106.

The spelling of 137868597 in words is "one hundred thirty-seven million, eight hundred sixty-eight thousand, five hundred ninety-seven".