139461593250 has 256 divisors, whose sum is σ = 409561251840. Its totient is φ = 30940704000.

The previous prime is 139461593233. The next prime is 139461593251. The reversal of 139461593250 is 52395164931.

It is a self number, because there is not a number n which added to its sum of digits gives 139461593250.

It is not an unprimeable number, because it can be changed into a prime (139461593251) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 134226231 + ... + 134227269.

It is an arithmetic number, because the mean of its divisors is an integer number (1599848640).

Almost surely, 2^139461593250 is an apocalyptic number.

139461593250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 139461593250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (204780625920).

139461593250 is an abundant number, since it is smaller than the sum of its proper divisors (270099658590).

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

139461593250 is a wasteful number, since it uses less digits than its factorization.

139461593250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1794 (or 1784 counting only the distinct ones).

The product of its (nonzero) digits is 874800, while the sum is 48.

The spelling of 139461593250 in words is "one hundred thirty-nine billion, four hundred sixty-one million, five hundred ninety-three thousand, two hundred fifty".