136264680 has 112 divisors (see below), whose sum is σ = 459781380. Its totient is φ = 36329472.

The previous prime is 136264663. The next prime is 136264693. The reversal of 136264680 is 86462631.

136264680 is a `hidden beast` number, since 1 + 3 + 6 + 2 + 646 + 8 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 129823236 + 6441444 = 11394^2 + 2538^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 26824 + ... + 31496.

Almost surely, 2^136264680 is an apocalyptic number.

136264680 is a gapful number since it is divisible by the number (10) 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 136264680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (229890690).

136264680 is an abundant number, since it is smaller than the sum of its proper divisors (323516700).

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

136264680 is an equidigital number, since it uses as much as digits as its factorization.

136264680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4702 (or 4683 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The square root of 136264680 is about 11673.2463351032. The cubic root of 136264680 is about 514.5897131253.

The spelling of 136264680 in words is "one hundred thirty-six million, two hundred sixty-four thousand, six hundred eighty".