136625407688 has 64 divisors (see below), whose sum is σ = 319946198400. Its totient is φ = 53136990720.

The previous prime is 136625407657. The next prime is 136625407703. The reversal of 136625407688 is 886704526631.

It is a Harshad number since it is a multiple of its sum of digits (56).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 155606 + ... + 545402.

It is an arithmetic number, because the mean of its divisors is an integer number (4999159350).

Almost surely, 2^136625407688 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 136625407688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (159973099200).

136625407688 is an abundant number, since it is smaller than the sum of its proper divisors (183320790712).

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

136625407688 is a wasteful number, since it uses less digits than its factorization.

136625407688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 390390 (or 390386 counting only the distinct ones).

The product of its (nonzero) digits is 11612160, while the sum is 56.

The spelling of 136625407688 in words is "one hundred thirty-six billion, six hundred twenty-five million, four hundred seven thousand, six hundred eighty-eight".