136625385 has 16 divisors (see below), whose sum is σ = 235416384. Its totient is φ = 67261632.

The previous prime is 136625353. The next prime is 136625389. The reversal of 136625385 is 583526631.

It is not a de Polignac number, because 136625385 - 2⁵ = 136625353 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (136625389) 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 15 ways as a sum of consecutive naturals, for example, 350127 + ... + 350516.

It is an arithmetic number, because the mean of its divisors is an integer number (14713524).

Almost surely, 2^136625385 is an apocalyptic number.

136625385 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

136625385 is a deficient number, since it is larger than the sum of its proper divisors (98790999).

136625385 is a wasteful number, since it uses less digits than its factorization.

136625385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 700664.

The product of its digits is 129600, while the sum is 39.

The square root of 136625385 is about 11688.6861964893. The cubic root of 136625385 is about 515.0433683276.

It can be divided in two parts, 136625 and 385, that multiplied together give a palindrome (52600625).

The spelling of 136625385 in words is "one hundred thirty-six million, six hundred twenty-five thousand, three hundred eighty-five".