139001250 has 80 divisors (see below), whose sum is σ = 351787392. Its totient is φ = 36600000.

The previous prime is 139001243. The next prime is 139001257. The reversal of 139001250 is 52100931.

It is an interprime number because it is at equal distance from previous prime (139001243) and next prime (139001257).

It is not an unprimeable number, because it can be changed into a prime (139001257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 378567 + ... + 378933.

Almost surely, 2^139001250 is an apocalyptic number.

139001250 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 139001250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (175893696).

139001250 is an abundant number, since it is smaller than the sum of its proper divisors (212786142).

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

139001250 is a wasteful number, since it uses less digits than its factorization.

139001250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 493 (or 478 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 21.

The square root of 139001250 is about 11789.8791342405. The cubic root of 139001250 is about 518.0116995216.

The spelling of 139001250 in words is "one hundred thirty-nine million, one thousand, two hundred fifty".