136455768 has 24 divisors (see below), whose sum is σ = 369567900. Its totient is φ = 45485232.

The previous prime is 136455763. The next prime is 136455773. The reversal of 136455768 is 867554631.

136455768 is a `hidden beast` number, since 1 + 36 + 4 + 557 + 68 = 666.

It is an interprime number because it is at equal distance from previous prime (136455763) and next prime (136455773).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136455763) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 947538 + ... + 947681.

Almost surely, 2^136455768 is an apocalyptic number.

136455768 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

136455768 is an abundant number, since it is smaller than the sum of its proper divisors (233112132).

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

136455768 is a wasteful number, since it uses less digits than its factorization.

136455768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1895231 (or 1895224 counting only the distinct ones).

The product of its digits is 604800, while the sum is 45.

The square root of 136455768 is about 11681.4283373225. The cubic root of 136455768 is about 514.8301422429.

The spelling of 136455768 in words is "one hundred thirty-six million, four hundred fifty-five thousand, seven hundred sixty-eight".