136671425 has 24 divisors (see below), whose sum is σ = 186074400. Its totient is φ = 98755200.

The previous prime is 136671413. The next prime is 136671439. The reversal of 136671425 is 524176631.

It is not a de Polignac number, because 136671425 - 2¹² = 136667329 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 43301 + ... + 46349.

It is an arithmetic number, because the mean of its divisors is an integer number (7753100).

Almost surely, 2^136671425 is an apocalyptic number.

It is an amenable number.

136671425 is a deficient number, since it is larger than the sum of its proper divisors (49402975).

136671425 is a wasteful number, since it uses less digits than its factorization.

136671425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3233 (or 3228 counting only the distinct ones).

The product of its digits is 30240, while the sum is 35.

The square root of 136671425 is about 11690.6554563891. The cubic root of 136671425 is about 515.1012149072.

The spelling of 136671425 in words is "one hundred thirty-six million, six hundred seventy-one thousand, four hundred twenty-five".