139585039 has 16 divisors (see below), whose sum is σ = 160721280. Its totient is φ = 119892960.

The previous prime is 139585027. The next prime is 139585057. The reversal of 139585039 is 930585931.

It is not a de Polignac number, because 139585039 - 2⁵ = 139585007 is a prime.

It is a super-2 number, since 2×139585039² = 38967966225263042, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 139584986 and 139585004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139585139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 108669 + ... + 109945.

It is an arithmetic number, because the mean of its divisors is an integer number (10045080).

Almost surely, 2^139585039 is an apocalyptic number.

139585039 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

139585039 is a deficient number, since it is larger than the sum of its proper divisors (21136241).

139585039 is a wasteful number, since it uses less digits than its factorization.

139585039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1830.

The product of its (nonzero) digits is 145800, while the sum is 43.

The square root of 139585039 is about 11814.6112504813. The cubic root of 139585039 is about 518.7358828306.

The spelling of 139585039 in words is "one hundred thirty-nine million, five hundred eighty-five thousand, thirty-nine".