139105226797920 has 384 divisors, whose sum is σ = 508222822625280. Its totient is φ = 35468898600960.

The previous prime is 139105226797903. The next prime is 139105226797939. The reversal of 139105226797920 is 29797622501931.

139105226797920 is a `hidden beast` number, since 1 + 3 + 9 + 10 + 522 + 6 + 7 + 9 + 7 + 92 + 0 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 272090377 + ... + 272601143.

It is an arithmetic number, because the mean of its divisors is an integer number (1323496933920).

Almost surely, 2^{139105226797920} is an apocalyptic number.

139105226797920 is a gapful number since it is divisible by the number (10) 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 139105226797920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (254111411312640).

139105226797920 is an abundant number, since it is smaller than the sum of its proper divisors (369117595827360).

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

139105226797920 is a wasteful number, since it uses less digits than its factorization.

139105226797920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 513555 (or 513541 counting only the distinct ones).

The product of its (nonzero) digits is 25719120, while the sum is 63.

The spelling of 139105226797920 in words is "one hundred thirty-nine trillion, one hundred five billion, two hundred twenty-six million, seven hundred ninety-seven thousand, nine hundred twenty".