136520970 has 32 divisors (see below), whose sum is σ = 328943808. Its totient is φ = 36261888.

The previous prime is 136520959. The next prime is 136520971. The reversal of 136520970 is 79025631.

It is not an unprimeable number, because it can be changed into a prime (136520971) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1144 + ... + 16563.

It is an arithmetic number, because the mean of its divisors is an integer number (10279494).

Almost surely, 2^136520970 is an apocalyptic number.

136520970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

136520970 is an abundant number, since it is smaller than the sum of its proper divisors (192422838).

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

136520970 is a wasteful number, since it uses less digits than its factorization.

136520970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17974.

The product of its (nonzero) digits is 11340, while the sum is 33.

The square root of 136520970 is about 11684.2188442360. The cubic root of 136520970 is about 514.9121287852.

The spelling of 136520970 in words is "one hundred thirty-six million, five hundred twenty thousand, nine hundred seventy".