136844464 has 10 divisors (see below), whose sum is σ = 265136180. Its totient is φ = 68422224.

The previous prime is 136844459. The next prime is 136844473. The reversal of 136844464 is 464448631.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4276374 + ... + 4276405.

It is an arithmetic number, because the mean of its divisors is an integer number (26513618).

Almost surely, 2^136844464 is an apocalyptic number.

It is an amenable number.

136844464 is a deficient number, since it is larger than the sum of its proper divisors (128291716).

136844464 is an equidigital number, since it uses as much as digits as its factorization.

136844464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8552787 (or 8552781 counting only the distinct ones).

The product of its digits is 221184, while the sum is 40.

The square root of 136844464 is about 11698.0538552359. The cubic root of 136844464 is about 515.3185122410.

The spelling of 136844464 in words is "one hundred thirty-six million, eight hundred forty-four thousand, four hundred sixty-four".