137622661633 has 4 divisors (see below), whose sum is σ = 137721035200. Its totient is φ = 137524288068.

The previous prime is 137622661621. The next prime is 137622661651. The reversal of 137622661633 is 336166226731.

It is a happy number.

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-137622661633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (137622668633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49184685 + ... + 49187482.

It is an arithmetic number, because the mean of its divisors is an integer number (34430258800).

Almost surely, 2^137622661633 is an apocalyptic number.

It is an amenable number.

137622661633 is a deficient number, since it is larger than the sum of its proper divisors (98373567).

137622661633 is an equidigital number, since it uses as much as digits as its factorization.

137622661633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98373566.

The product of its digits is 979776, while the sum is 46.

The spelling of 137622661633 in words is "one hundred thirty-seven billion, six hundred twenty-two million, six hundred sixty-one thousand, six hundred thirty-three".