137791701 has 12 divisors (see below), whose sum is σ = 201085612. Its totient is φ = 90913536.

The previous prime is 137791657. The next prime is 137791729. The reversal of 137791701 is 107197731.

It can be written as a sum of positive squares in 2 ways, for example, as 100520676 + 37271025 = 10026^2 + 6105^2 .

It is not a de Polignac number, because 137791701 - 2⁹ = 137791189 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137791751) 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, 78046 + ... + 79791.

Almost surely, 2^137791701 is an apocalyptic number.

It is an amenable number.

137791701 is a deficient number, since it is larger than the sum of its proper divisors (63293911).

137791701 is a wasteful number, since it uses less digits than its factorization.

137791701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157940 (or 157937 counting only the distinct ones).

The product of its (nonzero) digits is 9261, while the sum is 36.

The square root of 137791701 is about 11738.4709822021. The cubic root of 137791701 is about 516.5047904026.

The spelling of 137791701 in words is "one hundred thirty-seven million, seven hundred ninety-one thousand, seven hundred one".