139665293774 has 8 divisors (see below), whose sum is σ = 210101682168. Its totient is φ = 69631399720.

The previous prime is 139665293711. The next prime is 139665293783. The reversal of 139665293774 is 477392566931.

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, 100622717 + ... + 100624104.

It is an arithmetic number, because the mean of its divisors is an integer number (26262710271).

Almost surely, 2^139665293774 is an apocalyptic number.

139665293774 is a deficient number, since it is larger than the sum of its proper divisors (70436388394).

139665293774 is a wasteful number, since it uses less digits than its factorization.

139665293774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201247170.

The product of its digits is 51438240, while the sum is 62.

The spelling of 139665293774 in words is "one hundred thirty-nine billion, six hundred sixty-five million, two hundred ninety-three thousand, seven hundred seventy-four".