136679425 has 12 divisors (see below), whose sum is σ = 169632000. Its totient is φ = 109247120.

The previous prime is 136679423. The next prime is 136679441. The reversal of 136679425 is 524976631.

It is not a de Polignac number, because 136679425 - 2¹ = 136679423 is a prime.

It is not an unprimeable number, because it can be changed into a prime (136679423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 44076 + ... + 47074.

It is an arithmetic number, because the mean of its divisors is an integer number (14136000).

Almost surely, 2^136679425 is an apocalyptic number.

It is an amenable number.

136679425 is a deficient number, since it is larger than the sum of its proper divisors (32952575).

136679425 is a wasteful number, since it uses less digits than its factorization.

136679425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4832 (or 4827 counting only the distinct ones).

The product of its digits is 272160, while the sum is 43.

The square root of 136679425 is about 11690.9976049951. The cubic root of 136679425 is about 515.1112651166. Note that the first 3 decimals are identical.

The spelling of 136679425 in words is "one hundred thirty-six million, six hundred seventy-nine thousand, four hundred twenty-five".