139239863743940 has 192 divisors, whose sum is σ = 321409783296000. Its totient is φ = 50466541708800.

The previous prime is 139239863743933. The next prime is 139239863743973. The reversal of 139239863743940 is 49347368932931.

It is a hoax number, since the sum of its digits (71) coincides with the sum of the digits of its distinct prime factors.

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, 597266639 + ... + 597499721.

It is an arithmetic number, because the mean of its divisors is an integer number (1674009288000).

Almost surely, 2^{139239863743940} is an apocalyptic number.

139239863743940 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 139239863743940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (160704891648000).

139239863743940 is an abundant number, since it is smaller than the sum of its proper divisors (182169919552060).

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

139239863743940 is a wasteful number, since it uses less digits than its factorization.

139239863743940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233650 (or 233648 counting only the distinct ones).

The product of its (nonzero) digits is 634894848, while the sum is 71.

The spelling of 139239863743940 in words is "one hundred thirty-nine trillion, two hundred thirty-nine billion, eight hundred sixty-three million, seven hundred forty-three thousand, nine hundred forty".