136670431225 has 12 divisors (see below), whose sum is σ = 170174542780. Its totient is φ = 108882662400.

The previous prime is 136670431211. The next prime is 136670431237. The reversal of 136670431225 is 522134076631.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 1931514601 + 134738916624 = 43949^2 + 367068^2 .

It is not a de Polignac number, because 136670431225 - 2¹⁷ = 136670300153 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11335920 + ... + 11347969.

Almost surely, 2^136670431225 is an apocalyptic number.

It is an amenable number.

136670431225 is a deficient number, since it is larger than the sum of its proper divisors (33504111555).

136670431225 is a wasteful number, since it uses less digits than its factorization.

136670431225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22684140 (or 22684135 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 40.

The spelling of 136670431225 in words is "one hundred thirty-six billion, six hundred seventy million, four hundred thirty-one thousand, two hundred twenty-five".