136444539392 has 160 divisors (see below), whose sum is σ = 333311666688. Its totient is φ = 54466707456.

The previous prime is 136444539373. The next prime is 136444539403. The reversal of 136444539392 is 293935444631.

It is a super-2 number, since 2×136444539392² (a number of 23 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (53) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5898473 + ... + 5921559.

Almost surely, 2^136444539392 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 136444539392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (166655833344).

136444539392 is an abundant number, since it is smaller than the sum of its proper divisors (196867127296).

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

136444539392 is an equidigital number, since it uses as much as digits as its factorization.

136444539392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23226 (or 23210 counting only the distinct ones).

The product of its digits is 8398080, while the sum is 53.

The spelling of 136444539392 in words is "one hundred thirty-six billion, four hundred forty-four million, five hundred thirty-nine thousand, three hundred ninety-two".