136520460 has 72 divisors (see below), whose sum is σ = 415134720. Its totient is φ = 36315648.

The previous prime is 136520443. The next prime is 136520507. The reversal of 136520460 is 64025631.

136520460 is a `hidden beast` number, since 1 + 3 + 652 + 0 + 4 + 6 + 0 = 666.

It is a super-3 number, since 3×136520460³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 106101 + ... + 107379.

It is an arithmetic number, because the mean of its divisors is an integer number (5765760).

Almost surely, 2^136520460 is an apocalyptic number.

136520460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

136520460 is an abundant number, since it is smaller than the sum of its proper divisors (278614260).

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

136520460 is a wasteful number, since it uses less digits than its factorization.

136520460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1887 (or 1882 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 136520460 is about 11684.1970199068. The cubic root of 136520460 is about 514.9114876004.

The spelling of 136520460 in words is "one hundred thirty-six million, five hundred twenty thousand, four hundred sixty".