139982237971779 has 192 divisors, whose sum is σ = 238089802997760. Its totient is φ = 72674296934400.

The previous prime is 139982237971753. The next prime is 139982237971801. The reversal of 139982237971779 is 977179732289931.

It is not a de Polignac number, because 139982237971779 - 2⁵ = 139982237971747 is a prime.

It is not an unprimeable number, because it can be changed into a prime (139982237961779) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 13586546142 + ... + 13586556444.

It is an arithmetic number, because the mean of its divisors is an integer number (1240051057280).

Almost surely, 2^{139982237971779} is an apocalyptic number.

139982237971779 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

139982237971779 is a deficient number, since it is larger than the sum of its proper divisors (98107565025981).

139982237971779 is a wasteful number, since it uses less digits than its factorization.

139982237971779 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12250 (or 12243 counting only the distinct ones).

The product of its digits is 4536852768, while the sum is 84.

The spelling of 139982237971779 in words is "one hundred thirty-nine trillion, nine hundred eighty-two billion, two hundred thirty-seven million, nine hundred seventy-one thousand, seven hundred seventy-nine".