136672168 has 16 divisors (see below), whose sum is σ = 269748000. Its totient is φ = 64739376.

The previous prime is 136672139. The next prime is 136672171. The reversal of 136672168 is 861276631.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 136672168.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 449428 + ... + 449731.

It is an arithmetic number, because the mean of its divisors is an integer number (16859250).

Almost surely, 2^136672168 is an apocalyptic number.

It is an amenable number.

136672168 is a deficient number, since it is larger than the sum of its proper divisors (133075832).

136672168 is a wasteful number, since it uses less digits than its factorization.

136672168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 899184 (or 899180 counting only the distinct ones).

The product of its digits is 72576, while the sum is 40.

The square root of 136672168 is about 11690.6872338627. The cubic root of 136672168 is about 515.1021483369.

The spelling of 136672168 in words is "one hundred thirty-six million, six hundred seventy-two thousand, one hundred sixty-eight".