136325839 has 32 divisors (see below), whose sum is σ = 163296000. Its totient is φ = 112594944.

The previous prime is 136325831. The next prime is 136325843. The reversal of 136325839 is 938523631.

It is not a de Polignac number, because 136325839 - 2³ = 136325831 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136325831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 570282 + ... + 570520.

It is an arithmetic number, because the mean of its divisors is an integer number (5103000).

Almost surely, 2^136325839 is an apocalyptic number.

136325839 is a deficient number, since it is larger than the sum of its proper divisors (26970161).

136325839 is a wasteful number, since it uses less digits than its factorization.

136325839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 387.

The product of its digits is 116640, while the sum is 40.

The square root of 136325839 is about 11675.8656638384. The cubic root of 136325839 is about 514.6666885259. Note that the first 4 decimals are identical.

The spelling of 136325839 in words is "one hundred thirty-six million, three hundred twenty-five thousand, eight hundred thirty-nine".