137955957 has 4 divisors (see below), whose sum is σ = 183941280. Its totient is φ = 91970636.

The previous prime is 137955947. The next prime is 137955967. The reversal of 137955957 is 759559731.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (137955947) and next prime (137955967).

It is a cyclic number.

It is not a de Polignac number, because 137955957 - 2⁶ = 137955893 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137955907) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22992657 + ... + 22992662.

It is an arithmetic number, because the mean of its divisors is an integer number (45985320).

Almost surely, 2^137955957 is an apocalyptic number.

It is an amenable number.

137955957 is a deficient number, since it is larger than the sum of its proper divisors (45985323).

137955957 is an equidigital number, since it uses as much as digits as its factorization.

137955957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45985322.

The product of its digits is 1488375, while the sum is 51.

The square root of 137955957 is about 11745.4653803074. The cubic root of 137955957 is about 516.7099438370.

The spelling of 137955957 in words is "one hundred thirty-seven million, nine hundred fifty-five thousand, nine hundred fifty-seven".