136572345 has 64 divisors (see below), whose sum is σ = 298851840. Its totient is φ = 57625344.

The previous prime is 136572341. The next prime is 136572349. The reversal of 136572345 is 543275631.

It is an interprime number because it is at equal distance from previous prime (136572341) and next prime (136572349).

It is not a de Polignac number, because 136572345 - 2² = 136572341 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (136572341) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6727 + ... + 17843.

It is an arithmetic number, because the mean of its divisors is an integer number (4669560).

Almost surely, 2^136572345 is an apocalyptic number.

136572345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

136572345 is an abundant number, since it is smaller than the sum of its proper divisors (162279495).

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

136572345 is a wasteful number, since it uses less digits than its factorization.

136572345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11151 (or 11145 counting only the distinct ones).

The product of its digits is 75600, while the sum is 36.

The square root of 136572345 is about 11686.4171156090. The cubic root of 136572345 is about 514.9767105439.

The spelling of 136572345 in words is "one hundred thirty-six million, five hundred seventy-two thousand, three hundred forty-five".