137234620887 has 64 divisors (see below), whose sum is σ = 226696888320. Its totient is φ = 71909783424.

The previous prime is 137234620883. The next prime is 137234620891. The reversal of 137234620887 is 788026432731.

It is an interprime number because it is at equal distance from previous prime (137234620883) and next prime (137234620891).

It is not a de Polignac number, because 137234620887 - 2² = 137234620883 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137234620883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 26806314 + ... + 26811432.

It is an arithmetic number, because the mean of its divisors is an integer number (3542138880).

Almost surely, 2^137234620887 is an apocalyptic number.

137234620887 is a deficient number, since it is larger than the sum of its proper divisors (89462267433).

137234620887 is a wasteful number, since it uses less digits than its factorization.

137234620887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5772.

The product of its (nonzero) digits is 2709504, while the sum is 51.

The spelling of 137234620887 in words is "one hundred thirty-seven billion, two hundred thirty-four million, six hundred twenty thousand, eight hundred eighty-seven".