139240202500 has 240 divisors, whose sum is σ = 364149434880. Its totient is φ = 45573120000.

The previous prime is 139240202467. The next prime is 139240202513. The reversal of 139240202500 is 5202042931.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 33720436 + ... + 33724564.

It is an arithmetic number, because the mean of its divisors is an integer number (1517289312).

Almost surely, 2^139240202500 is an apocalyptic number.

139240202500 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 139240202500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (182074717440).

139240202500 is an abundant number, since it is smaller than the sum of its proper divisors (224909232380).

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

139240202500 is a wasteful number, since it uses less digits than its factorization.

139240202500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4248 (or 4231 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 28.

The spelling of 139240202500 in words is "one hundred thirty-nine billion, two hundred forty million, two hundred two thousand, five hundred".