139542172095 has 32 divisors (see below), whose sum is σ = 229528074240. Its totient is φ = 72356601600.

The previous prime is 139542172079. The next prime is 139542172153. The reversal of 139542172095 is 590271245931.

It is not a de Polignac number, because 139542172095 - 2⁴ = 139542172079 is a prime.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 548950 + ... + 761859.

It is an arithmetic number, because the mean of its divisors is an integer number (7172752320).

Almost surely, 2^139542172095 is an apocalyptic number.

139542172095 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

139542172095 is a deficient number, since it is larger than the sum of its proper divisors (89985902145).

139542172095 is a wasteful number, since it uses less digits than its factorization.

139542172095 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1311015.

The product of its (nonzero) digits is 680400, while the sum is 48.

The spelling of 139542172095 in words is "one hundred thirty-nine billion, five hundred forty-two million, one hundred seventy-two thousand, ninety-five".