139683674 has 8 divisors (see below), whose sum is σ = 225642900. Its totient is φ = 64469376.

The previous prime is 139683653. The next prime is 139683683. The reversal of 139683674 is 476386931.

It is a happy number.

139683674 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 138886225 + 797449 = 11785^2 + 893^2 .

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

It is a Curzon number.

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, 2686199 + ... + 2686250.

Almost surely, 2^139683674 is an apocalyptic number.

139683674 is a deficient number, since it is larger than the sum of its proper divisors (85959226).

139683674 is a wasteful number, since it uses less digits than its factorization.

139683674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5372464.

The product of its digits is 653184, while the sum is 47.

The square root of 139683674 is about 11818.7847937087. The cubic root of 139683674 is about 518.8580388706.

The spelling of 139683674 in words is "one hundred thirty-nine million, six hundred eighty-three thousand, six hundred seventy-four".