136564606635 has 16 divisors (see below), whose sum is σ = 231356510496. Its totient is φ = 68550076928.

The previous prime is 136564606627. The next prime is 136564606649. The reversal of 136564606635 is 536606465631.

It is a cyclic number.

It is not a de Polignac number, because 136564606635 - 2³ = 136564606627 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 267773484 + ... + 267773993.

It is an arithmetic number, because the mean of its divisors is an integer number (14459781906).

Almost surely, 2^136564606635 is an apocalyptic number.

136564606635 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

136564606635 is a deficient number, since it is larger than the sum of its proper divisors (94791903861).

136564606635 is a wasteful number, since it uses less digits than its factorization.

136564606635 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 535547502.

The product of its (nonzero) digits is 6998400, while the sum is 51.

The spelling of 136564606635 in words is "one hundred thirty-six billion, five hundred sixty-four million, six hundred six thousand, six hundred thirty-five".