39139702 has 8 divisors (see below), whose sum is σ = 67096656. Its totient is φ = 16774152.

The previous prime is 39139687. The next prime is 39139733. The reversal of 39139702 is 20793193.

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

It is a congruent 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, 1397833 + ... + 1397860.

It is an arithmetic number, because the mean of its divisors is an integer number (8387082).

Almost surely, 2^39139702 is an apocalyptic number.

39139702 is a deficient number, since it is larger than the sum of its proper divisors (27956954).

39139702 is a wasteful number, since it uses less digits than its factorization.

39139702 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2795702.

The product of its (nonzero) digits is 10206, while the sum is 34.

The square root of 39139702 is about 6256.1731114156. The cubic root of 39139702 is about 339.5255840105.

The spelling of 39139702 in words is "thirty-nine million, one hundred thirty-nine thousand, seven hundred two".