139087125 has 96 divisors (see below), whose sum is σ = 274834560. Its totient is φ = 69984000.

The previous prime is 139087079. The next prime is 139087127. The reversal of 139087125 is 521780931.

It is not a de Polignac number, because 139087125 - 2⁹ = 139086613 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 139087125.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139087127) 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, 577005 + ... + 577245.

It is an arithmetic number, because the mean of its divisors is an integer number (2862860).

Almost surely, 2^139087125 is an apocalyptic number.

139087125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

139087125 is a deficient number, since it is larger than the sum of its proper divisors (135747435).

139087125 is an equidigital number, since it uses as much as digits as its factorization.

139087125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290 (or 268 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 36.

The square root of 139087125 is about 11793.5204667648. The cubic root of 139087125 is about 518.1183534714.

The spelling of 139087125 in words is "one hundred thirty-nine million, eighty-seven thousand, one hundred twenty-five".