139075889 has 16 divisors (see below), whose sum is σ = 148498944. Its totient is φ = 130032000.

The previous prime is 139075873. The next prime is 139075897. The reversal of 139075889 is 988570931.

It is not a de Polignac number, because 139075889 - 2⁴ = 139075873 is a prime.

It is a super-2 number, since 2×139075889² = 38684205802280642, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (139075819) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 134117 + ... + 135149.

It is an arithmetic number, because the mean of its divisors is an integer number (9281184).

Almost surely, 2^139075889 is an apocalyptic number.

It is an amenable number.

139075889 is a deficient number, since it is larger than the sum of its proper divisors (9423055).

139075889 is a wasteful number, since it uses less digits than its factorization.

139075889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1208.

The product of its (nonzero) digits is 544320, while the sum is 50.

The square root of 139075889 is about 11793.0440938716. The cubic root of 139075889 is about 518.1044012225.

The spelling of 139075889 in words is "one hundred thirty-nine million, seventy-five thousand, eight hundred eighty-nine".