139057875 has 96 divisors (see below), whose sum is σ = 289987776. Its totient is φ = 63360000.

The previous prime is 139057873. The next prime is 139057879. The reversal of 139057875 is 578750931.

139057875 is a `hidden beast` number, since 1 + 3 + 9 + 0 + 578 + 75 = 666.

139057875 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 139057875 - 2¹ = 139057873 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 139057875.

It is not an unprimeable number, because it can be changed into a prime (139057873) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 210045 + ... + 210705.

It is an arithmetic number, because the mean of its divisors is an integer number (3020706).

Almost surely, 2^139057875 is an apocalyptic number.

139057875 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

139057875 is an abundant number, since it is smaller than the sum of its proper divisors (150929901).

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

139057875 is a wasteful number, since it uses less digits than its factorization.

139057875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 710 (or 697 counting only the distinct ones).

The product of its (nonzero) digits is 264600, while the sum is 45.

The square root of 139057875 is about 11792.2803138324. The cubic root of 139057875 is about 518.0820308563.

The spelling of 139057875 in words is "one hundred thirty-nine million, fifty-seven thousand, eight hundred seventy-five".