136642654464 has 144 divisors (see below), whose sum is σ = 383170529280. Its totient is φ = 43109591040.

The previous prime is 136642654457. The next prime is 136642654501. The reversal of 136642654464 is 464456246631.

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, 17958949 + ... + 17966555.

Almost surely, 2^136642654464 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 136642654464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (191585264640).

136642654464 is an abundant number, since it is smaller than the sum of its proper divisors (246527874816).

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

136642654464 is a wasteful number, since it uses less digits than its factorization.

136642654464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8876 (or 8862 counting only the distinct ones).

The product of its digits is 9953280, while the sum is 51.

The spelling of 136642654464 in words is "one hundred thirty-six billion, six hundred forty-two million, six hundred fifty-four thousand, four hundred sixty-four".