139025700 has 288 divisors, whose sum is σ = 506634240. Its totient is φ = 32400000.

The previous prime is 139025699. The next prime is 139025707. The reversal of 139025700 is 7520931.

139025700 is a `hidden beast` number, since 1 + 3 + 90 + 2 + 570 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139025707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 920625 + ... + 920775.

Almost surely, 2^139025700 is an apocalyptic number.

139025700 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 139025700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (253317120).

139025700 is an abundant number, since it is smaller than the sum of its proper divisors (367608540).

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

139025700 is a wasteful number, since it uses less digits than its factorization.

139025700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216 (or 203 counting only the distinct ones).

The product of its (nonzero) digits is 1890, while the sum is 27.

The square root of 139025700 is about 11790.9159949514. The cubic root of 139025700 is about 518.0420700962.

The spelling of 139025700 in words is "one hundred thirty-nine million, twenty-five thousand, seven hundred".