139710021792 has 192 divisors, whose sum is σ = 423962356608. Its totient is φ = 39813120000.

The previous prime is 139710021749. The next prime is 139710021799. The reversal of 139710021792 is 297120017931.

It is a happy number.

It is a super-2 number, since 2×139710021792² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (139710021799) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29097792 + ... + 29102592.

It is an arithmetic number, because the mean of its divisors is an integer number (2208137274).

Almost surely, 2^139710021792 is an apocalyptic number.

139710021792 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 139710021792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (211981178304).

139710021792 is an abundant number, since it is smaller than the sum of its proper divisors (284252334816).

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

139710021792 is a wasteful number, since it uses less digits than its factorization.

139710021792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6463 (or 6455 counting only the distinct ones).

The product of its (nonzero) digits is 47628, while the sum is 42.

The spelling of 139710021792 in words is "one hundred thirty-nine billion, seven hundred ten million, twenty-one thousand, seven hundred ninety-two".