139125300 has 72 divisors (see below), whose sum is σ = 412390272. Its totient is φ = 36192000.

The previous prime is 139125289. The next prime is 139125307. The reversal of 139125300 is 3521931.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139125307) 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 23 ways as a sum of consecutive naturals, for example, 6645 + ... + 17955.

Almost surely, 2^139125300 is an apocalyptic number.

139125300 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 139125300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (206195136).

139125300 is an abundant number, since it is smaller than the sum of its proper divisors (273264972).

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

139125300 is a wasteful number, since it uses less digits than its factorization.

139125300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11369 (or 11362 counting only the distinct ones).

The product of its (nonzero) digits is 810, while the sum is 24.

The square root of 139125300 is about 11795.1388291957. The cubic root of 139125300 is about 518.1657514815.

The spelling of 139125300 in words is "one hundred thirty-nine million, one hundred twenty-five thousand, three hundred".