136364564628 has 18 divisors (see below), whose sum is σ = 344699316234. Its totient is φ = 45454854864.

The previous prime is 136364564621. The next prime is 136364564657. The reversal of 136364564628 is 826465463631.

136364564628 is a `hidden beast` number, since 1 + 3 + 6 + 3 + 6 + 4 + 5 + 6 + 4 + 628 = 666.

It can be written as a sum of positive squares in only one way, i.e., 136258433424 + 106131204 = 369132^2 + 10302^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136364564621) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1893952251 + ... + 1893952322.

It is an arithmetic number, because the mean of its divisors is an integer number (19149962013).

Almost surely, 2^136364564628 is an apocalyptic number.

136364564628 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

136364564628 is an abundant number, since it is smaller than the sum of its proper divisors (208334751606).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

136364564628 is a wasteful number, since it uses less digits than its factorization.

136364564628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3787904583 (or 3787904578 counting only the distinct ones).

The product of its digits is 14929920, while the sum is 54.

The spelling of 136364564628 in words is "one hundred thirty-six billion, three hundred sixty-four million, five hundred sixty-four thousand, six hundred twenty-eight".