139002775 has 12 divisors (see below), whose sum is σ = 173086144. Its totient is φ = 110736000.

The previous prime is 139002763. The next prime is 139002793. The reversal of 139002775 is 577200931.

It is not a de Polignac number, because 139002775 - 2⁹ = 139002263 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 139002775.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5511 + ... + 17560.

Almost surely, 2^139002775 is an apocalyptic number.

139002775 is a deficient number, since it is larger than the sum of its proper divisors (34083369).

139002775 is a wasteful number, since it uses less digits than its factorization.

139002775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23322 (or 23317 counting only the distinct ones).

The product of its (nonzero) digits is 13230, while the sum is 34.

The square root of 139002775 is about 11789.9438081782. The cubic root of 139002775 is about 518.0135939049.

The spelling of 139002775 in words is "one hundred thirty-nine million, two thousand, seven hundred seventy-five".