136625906 has 12 divisors (see below), whose sum is σ = 217704138. Its totient is φ = 64294272.

The previous prime is 136625869. The next prime is 136625933. The reversal of 136625906 is 609526631.

136625906 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 135512881 + 1113025 = 11641^2 + 1055^2 .

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 136625906.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 117611 + ... + 118766.

Almost surely, 2^136625906 is an apocalyptic number.

136625906 is a deficient number, since it is larger than the sum of its proper divisors (81078232).

136625906 is a wasteful number, since it uses less digits than its factorization.

136625906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236413 (or 236396 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 38.

The square root of 136625906 is about 11688.7084829762. The cubic root of 136625906 is about 515.0440230065.

It can be divided in two parts, 1366 and 25906, that added together give a palindrome (27272).

The spelling of 136625906 in words is "one hundred thirty-six million, six hundred twenty-five thousand, nine hundred six".