136163456 has 128 divisors (see below), whose sum is σ = 327983040. Its totient is φ = 55480320.

The previous prime is 136163429. The next prime is 136163471. The reversal of 136163456 is 654361631.

It is a tau number, because it is divible by the number of its divisors (128).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 786986 + ... + 787158.

Almost surely, 2^136163456 is an apocalyptic number.

136163456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 136163456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (163991520).

136163456 is an abundant number, since it is smaller than the sum of its proper divisors (191819584).

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

136163456 is a wasteful number, since it uses less digits than its factorization.

136163456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254 (or 242 counting only the distinct ones).

The product of its digits is 38880, while the sum is 35.

The square root of 136163456 is about 11668.9098034049. The cubic root of 136163456 is about 514.4622608452.

The spelling of 136163456 in words is "one hundred thirty-six million, one hundred sixty-three thousand, four hundred fifty-six".