136252307 has 8 divisors (see below), whose sum is σ = 139950720. Its totient is φ = 132571840.

The previous prime is 136252279. The next prime is 136252309. The reversal of 136252307 is 703252631.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 136252307 - 2⁶ = 136252243 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 136252307.

It is not an unprimeable number, because it can be changed into a prime (136252309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11678 + ... + 20220.

It is an arithmetic number, because the mean of its divisors is an integer number (17493840).

Almost surely, 2^136252307 is an apocalyptic number.

136252307 is a deficient number, since it is larger than the sum of its proper divisors (3698413).

136252307 is an equidigital number, since it uses as much as digits as its factorization.

136252307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8973.

The product of its (nonzero) digits is 7560, while the sum is 29.

The square root of 136252307 is about 11672.7163505330. The cubic root of 136252307 is about 514.5741375283.

The spelling of 136252307 in words is "one hundred thirty-six million, two hundred fifty-two thousand, three hundred seven".