136681474 has 8 divisors (see below), whose sum is σ = 208082448. Its totient is φ = 67320660.

The previous prime is 136681469. The next prime is 136681481. The reversal of 136681474 is 474186631.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 509872 + ... + 510139.

It is an arithmetic number, because the mean of its divisors is an integer number (26010306).

Almost surely, 2^136681474 is an apocalyptic number.

136681474 is a deficient number, since it is larger than the sum of its proper divisors (71400974).

136681474 is a wasteful number, since it uses less digits than its factorization.

136681474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1020080.

The product of its digits is 96768, while the sum is 40.

The square root of 136681474 is about 11691.0852361960. The cubic root of 136681474 is about 515.1138391634.

The spelling of 136681474 in words is "one hundred thirty-six million, six hundred eighty-one thousand, four hundred seventy-four".