137957864137 has 4 divisors (see below), whose sum is σ = 138141563776. Its totient is φ = 137774164500.

The previous prime is 137957864063. The next prime is 137957864197. The reversal of 137957864137 is 731468759731.

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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-137957864137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (137957864197) 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, 91848693 + ... + 91850194.

It is an arithmetic number, because the mean of its divisors is an integer number (34535390944).

Almost surely, 2^137957864137 is an apocalyptic number.

It is an amenable number.

137957864137 is a deficient number, since it is larger than the sum of its proper divisors (183699639).

137957864137 is an equidigital number, since it uses as much as digits as its factorization.

137957864137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183699638.

The product of its digits is 26671680, while the sum is 61.

The spelling of 137957864137 in words is "one hundred thirty-seven billion, nine hundred fifty-seven million, eight hundred sixty-four thousand, one hundred thirty-seven".