136874778033392 has 240 divisors, whose sum is σ = 354921413575680. Its totient is φ = 50616969984000.

The previous prime is 136874778033379. The next prime is 136874778033463. The reversal of 136874778033392 is 293330877478631.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 867734 + ... + 16568117.

It is an arithmetic number, because the mean of its divisors is an integer number (1478839223232).

Almost surely, 2^{136874778033392} 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 136874778033392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (177460706787840).

136874778033392 is an abundant number, since it is smaller than the sum of its proper divisors (218046635542288).

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

136874778033392 is a wasteful number, since it uses less digits than its factorization.

136874778033392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17435940 (or 17435927 counting only the distinct ones).

The product of its (nonzero) digits is 768144384, while the sum is 71.

The spelling of 136874778033392 in words is "one hundred thirty-six trillion, eight hundred seventy-four billion, seven hundred seventy-eight million, thirty-three thousand, three hundred ninety-two".