139571776438572 has 48 divisors (see below), whose sum is σ = 332305183173600. Its totient is φ = 45578290587648.

The previous prime is 139571776438571. The next prime is 139571776438657. The reversal of 139571776438572 is 275834677175931.

It is a junction number, because it is equal to n+sod(n) for n = 139571776438494 and 139571776438503.

It is not an unprimeable number, because it can be changed into a prime (139571776438571) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 162612447 + ... + 163468502.

It is an arithmetic number, because the mean of its divisors is an integer number (6923024649450).

Almost surely, 2^{139571776438572} is an apocalyptic number.

139571776438572 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

139571776438572 is an abundant number, since it is smaller than the sum of its proper divisors (192733406735028).

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

139571776438572 is a wasteful number, since it uses less digits than its factorization.

139571776438572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326081682 (or 326081680 counting only the distinct ones).

The product of its digits is 1867017600, while the sum is 75.

The spelling of 139571776438572 in words is "one hundred thirty-nine trillion, five hundred seventy-one billion, seven hundred seventy-six million, four hundred thirty-eight thousand, five hundred seventy-two".