136851433225 has 48 divisors (see below), whose sum is σ = 185508126720. Its totient is φ = 99536774400.

The previous prime is 136851433207. The next prime is 136851433249. The reversal of 136851433225 is 522334158631.

It is a happy number.

It is not a de Polignac number, because 136851433225 - 2²⁹ = 136314562313 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 29510607 + ... + 29515243.

It is an arithmetic number, because the mean of its divisors is an integer number (3864752640).

Almost surely, 2^136851433225 is an apocalyptic number.

It is an amenable number.

136851433225 is a deficient number, since it is larger than the sum of its proper divisors (48656693495).

136851433225 is a wasteful number, since it uses less digits than its factorization.

136851433225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6010 (or 6005 counting only the distinct ones).

The product of its digits is 518400, while the sum is 43.

The spelling of 136851433225 in words is "one hundred thirty-six billion, eight hundred fifty-one million, four hundred thirty-three thousand, two hundred twenty-five".