136650251557644 has 72 divisors (see below), whose sum is σ = 350492132967984. Its totient is φ = 41406804067200.

The previous prime is 136650251557583. The next prime is 136650251557649. The reversal of 136650251557644 is 446755152056631.

It is not an unprimeable number, because it can be changed into a prime (136650251557649) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22851094 + ... + 28204130.

It is an arithmetic number, because the mean of its divisors is an integer number (4867946291222).

Almost surely, 2^{136650251557644} is an apocalyptic number.

It is an amenable number.

136650251557644 is an abundant number, since it is smaller than the sum of its proper divisors (213841881410340).

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

136650251557644 is a wasteful number, since it uses less digits than its factorization.

136650251557644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5370647 (or 5370634 counting only the distinct ones).

The product of its (nonzero) digits is 90720000, while the sum is 60.

It can be divided in two parts, 136650251 and 557644, that added together give a triangular number (137207895 = T₁₆₅₆₅).

The spelling of 136650251557644 in words is "one hundred thirty-six trillion, six hundred fifty billion, two hundred fifty-one million, five hundred fifty-seven thousand, six hundred forty-four".