136182251644 has 12 divisors (see below), whose sum is σ = 243861241624. Its totient is φ = 66507611184.

The previous prime is 136182251641. The next prime is 136182251701. The reversal of 136182251644 is 446152281631.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a self number, because there is not a number n which added to its sum of digits gives 136182251644.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136182251641) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 395878467 + ... + 395878810.

Almost surely, 2^136182251644 is an apocalyptic number.

It is an amenable number.

136182251644 is a deficient number, since it is larger than the sum of its proper divisors (107678989980).

136182251644 is a wasteful number, since it uses less digits than its factorization.

136182251644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 791757324 (or 791757322 counting only the distinct ones).

The product of its digits is 276480, while the sum is 43.

The spelling of 136182251644 in words is "one hundred thirty-six billion, one hundred eighty-two million, two hundred fifty-one thousand, six hundred forty-four".