136387625 has 16 divisors (see below), whose sum is σ = 185687424. Its totient is φ = 99190000.

The previous prime is 136387621. The next prime is 136387633. The reversal of 136387625 is 526783631.

It is not a de Polignac number, because 136387625 - 2² = 136387621 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (136387621) 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, 48221 + ... + 50970.

It is an arithmetic number, because the mean of its divisors is an integer number (11605464).

Almost surely, 2^136387625 is an apocalyptic number.

It is an amenable number.

136387625 is a deficient number, since it is larger than the sum of its proper divisors (49299799).

136387625 is an equidigital number, since it uses as much as digits as its factorization.

136387625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99217 (or 99207 counting only the distinct ones).

The product of its digits is 181440, while the sum is 41.

The square root of 136387625 is about 11678.5112492989. The cubic root of 136387625 is about 514.7444297021.

It can be divided in two parts, 1363 and 87625, that added together give a palindrome (88988).

The spelling of 136387625 in words is "one hundred thirty-six million, three hundred eighty-seven thousand, six hundred twenty-five".