136851744 has 24 divisors (see below), whose sum is σ = 359236080. Its totient is φ = 45617216.

The previous prime is 136851707. The next prime is 136851791. The reversal of 136851744 is 447158631.

It is a tau number, because it is divible by the number of its divisors (24).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 712674 + ... + 712865.

It is an arithmetic number, because the mean of its divisors is an integer number (14968170).

Almost surely, 2^136851744 is an apocalyptic number.

It is an amenable number.

136851744 is an abundant number, since it is smaller than the sum of its proper divisors (222384336).

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

136851744 is a wasteful number, since it uses less digits than its factorization.

136851744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1425552 (or 1425544 counting only the distinct ones).

The product of its digits is 80640, while the sum is 39.

The square root of 136851744 is about 11698.3650139667. The cubic root of 136851744 is about 515.3276502364.

The spelling of 136851744 in words is "one hundred thirty-six million, eight hundred fifty-one thousand, seven hundred forty-four".