139146875 has 24 divisors (see below), whose sum is σ = 198799776. Its totient is φ = 95400000.

The previous prime is 139146863. The next prime is 139146881. The reversal of 139146875 is 578641931.

It is not a de Polignac number, because 139146875 - 2¹⁴ = 139130491 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18695 + ... + 25055.

It is an arithmetic number, because the mean of its divisors is an integer number (8283324).

Almost surely, 2^139146875 is an apocalyptic number.

139146875 is a deficient number, since it is larger than the sum of its proper divisors (59652901).

139146875 is an frugal number, since it uses more digits than its factorization.

139146875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6393 (or 6373 counting only the distinct ones).

The product of its digits is 181440, while the sum is 44.

The square root of 139146875 is about 11796.0533654269. The cubic root of 139146875 is about 518.1925351272.

The spelling of 139146875 in words is "one hundred thirty-nine million, one hundred forty-six thousand, eight hundred seventy-five".