136626660 has 36 divisors (see below), whose sum is σ = 414434748. Its totient is φ = 36433728.

The previous prime is 136626653. The next prime is 136626673. The reversal of 136626660 is 66626631.

It can be written as a sum of positive squares in 2 ways, for example, as 35141184 + 101485476 = 5928^2 + 10074^2 .

It is a tau number, because it is divible by the number of its divisors (36).

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 11 ways as a sum of consecutive naturals, for example, 379339 + ... + 379698.

Almost surely, 2^136626660 is an apocalyptic number.

136626660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

136626660 is an abundant number, since it is smaller than the sum of its proper divisors (277808088).

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

136626660 is a wasteful number, since it uses less digits than its factorization.

136626660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 759052 (or 759047 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 36.

The square root of 136626660 is about 11688.7407362812. The cubic root of 136626660 is about 515.0449704658.

The spelling of 136626660 in words is "one hundred thirty-six million, six hundred twenty-six thousand, six hundred sixty".