136266880 has 32 divisors (see below), whose sum is σ = 325764540. Its totient is φ = 54506496.

The previous prime is 136266857. The next prime is 136266929. The reversal of 136266880 is 88662631.

It can be written as a sum of positive squares in 2 ways, for example, as 121705024 + 14561856 = 11032^2 + 3816^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is a Harshad number since it is a multiple of its sum of digits (40).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105819 + ... + 107098.

Almost surely, 2^136266880 is an apocalyptic number.

136266880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

136266880 is an abundant number, since it is smaller than the sum of its proper divisors (189497660).

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

136266880 is an equidigital number, since it uses as much as digits as its factorization.

136266880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212936 (or 212924 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 40.

The square root of 136266880 is about 11673.3405672926. The cubic root of 136266880 is about 514.5924824692.

The spelling of 136266880 in words is "one hundred thirty-six million, two hundred sixty-six thousand, eight hundred eighty".