139161216312 has 48 divisors (see below), whose sum is σ = 377334912240. Its totient is φ = 46332924288.

The previous prime is 139161216247. The next prime is 139161216323. The reversal of 139161216312 is 213612161931.

139161216312 is a `hidden beast` number, since 1 + 3 + 9 + 1 + 6 + 12 + 1 + 631 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1065948 + ... + 1189355.

It is an arithmetic number, because the mean of its divisors is an integer number (7861144005).

Almost surely, 2^139161216312 is an apocalyptic number.

139161216312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

139161216312 is an abundant number, since it is smaller than the sum of its proper divisors (238173695928).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

139161216312 is a wasteful number, since it uses less digits than its factorization.

139161216312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2256172 (or 2256165 counting only the distinct ones).

The product of its digits is 11664, while the sum is 36.

The spelling of 139161216312 in words is "one hundred thirty-nine billion, one hundred sixty-one million, two hundred sixteen thousand, three hundred twelve".