136687291630 has 16 divisors (see below), whose sum is σ = 246041551584. Its totient is φ = 54673932960.

The previous prime is 136687291619. The next prime is 136687291651. The reversal of 136687291630 is 36192786631.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 768184 + ... + 929236.

It is an arithmetic number, because the mean of its divisors is an integer number (15377596974).

Almost surely, 2^136687291630 is an apocalyptic number.

136687291630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

136687291630 is a deficient number, since it is larger than the sum of its proper divisors (109354259954).

136687291630 is a wasteful number, since it uses less digits than its factorization.

136687291630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245931.

The product of its (nonzero) digits is 1959552, while the sum is 52.

The spelling of 136687291630 in words is "one hundred thirty-six billion, six hundred eighty-seven million, two hundred ninety-one thousand, six hundred thirty".