136744368 has 40 divisors (see below), whose sum is σ = 371851200. Its totient is φ = 43182144.

The previous prime is 136744357. The next prime is 136744369. The reversal of 136744368 is 863447631.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (136744369) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74058 + ... + 75881.

It is an arithmetic number, because the mean of its divisors is an integer number (9296280).

Almost surely, 2^136744368 is an apocalyptic number.

It is an amenable number.

136744368 is an abundant number, since it is smaller than the sum of its proper divisors (235106832).

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

136744368 is a wasteful number, since it uses less digits than its factorization.

136744368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149969 (or 149963 counting only the distinct ones).

The product of its digits is 290304, while the sum is 42.

The square root of 136744368 is about 11693.7747541160. The cubic root of 136744368 is about 515.1928369502.

The spelling of 136744368 in words is "one hundred thirty-six million, seven hundred forty-four thousand, three hundred sixty-eight".