137397501 has 12 divisors (see below), whose sum is σ = 198662620. Its totient is φ = 91506240.

The previous prime is 137397499. The next prime is 137397517. The reversal of 137397501 is 105793731.

It can be written as a sum of positive squares in 2 ways, for example, as 19131876 + 118265625 = 4374^2 + 10875^2 .

It is not a de Polignac number, because 137397501 - 2¹ = 137397499 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 (137397521) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2481 + ... + 16761.

Almost surely, 2^137397501 is an apocalyptic number.

It is an amenable number.

137397501 is a deficient number, since it is larger than the sum of its proper divisors (61265119).

137397501 is a wasteful number, since it uses less digits than its factorization.

137397501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15356 (or 15353 counting only the distinct ones).

The product of its (nonzero) digits is 19845, while the sum is 36.

The square root of 137397501 is about 11721.6680127019. The cubic root of 137397501 is about 516.0117741139.

The spelling of 137397501 in words is "one hundred thirty-seven million, three hundred ninety-seven thousand, five hundred one".