139718875 has 32 divisors (see below), whose sum is σ = 185889600. Its totient is φ = 104544000.

The previous prime is 139718867. The next prime is 139718879. The reversal of 139718875 is 578817931.

It is not a de Polignac number, because 139718875 - 2³ = 139718867 is a prime.

Its product of digits (423360) is a multiple of the sum of its prime factors (784).

It is not an unprimeable number, because it can be changed into a prime (139718879) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 211045 + ... + 211705.

It is an arithmetic number, because the mean of its divisors is an integer number (5809050).

Almost surely, 2^139718875 is an apocalyptic number.

139718875 is a deficient number, since it is larger than the sum of its proper divisors (46170725).

139718875 is an equidigital number, since it uses as much as digits as its factorization.

139718875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 784 (or 774 counting only the distinct ones).

The product of its digits is 423360, while the sum is 49.

The square root of 139718875 is about 11820.2738969958. The cubic root of 139718875 is about 518.9016201694.

The spelling of 139718875 in words is "one hundred thirty-nine million, seven hundred eighteen thousand, eight hundred seventy-five".