139264193998 has 8 divisors (see below), whose sum is σ = 213754344408. Its totient is φ = 68012745864.

The previous prime is 139264193963. The next prime is 139264194007. The reversal of 139264193998 is 899391462931.

It is a happy number.

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, 809675461 + ... + 809675632.

It is an arithmetic number, because the mean of its divisors is an integer number (26719293051).

Almost surely, 2^139264193998 is an apocalyptic number.

139264193998 is a deficient number, since it is larger than the sum of its proper divisors (74490150410).

139264193998 is a wasteful number, since it uses less digits than its factorization.

139264193998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1619351138.

The product of its digits is 22674816, while the sum is 64.

The spelling of 139264193998 in words is "one hundred thirty-nine billion, two hundred sixty-four million, one hundred ninety-three thousand, nine hundred ninety-eight".