139696955998 has 8 divisors (see below), whose sum is σ = 212672977992. Its totient is φ = 68805963336.

The previous prime is 139696955971. The next prime is 139696956001. The reversal of 139696955998 is 899559696931.

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, 521257165 + ... + 521257432.

It is an arithmetic number, because the mean of its divisors is an integer number (26584122249).

Almost surely, 2^139696955998 is an apocalyptic number.

139696955998 is a deficient number, since it is larger than the sum of its proper divisors (72976021994).

139696955998 is a wasteful number, since it uses less digits than its factorization.

139696955998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1042514666.

The product of its digits is 1275458400, while the sum is 79.

The spelling of 139696955998 in words is "one hundred thirty-nine billion, six hundred ninety-six million, nine hundred fifty-five thousand, nine hundred ninety-eight".