500139769 has 8 divisors (see below), whose sum is σ = 502467840. Its totient is φ = 497817936.

The previous prime is 500139763. The next prime is 500139781. The reversal of 500139769 is 967931005.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 500139769 - 2²¹ = 498042617 is a prime.

It is a super-2 number, since 2×500139769² = 500279577070746722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (500139763) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 232312 + ... + 234454.

It is an arithmetic number, because the mean of its divisors is an integer number (62808480).

Almost surely, 2^500139769 is an apocalyptic number.

It is an amenable number.

500139769 is a deficient number, since it is larger than the sum of its proper divisors (2328071).

500139769 is a wasteful number, since it uses less digits than its factorization.

500139769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3119.

The product of its (nonzero) digits is 51030, while the sum is 40.

The square root of 500139769 is about 22363.8048864678. The cubic root of 500139769 is about 793.7744755798.

The spelling of 500139769 in words is "five hundred million, one hundred thirty-nine thousand, seven hundred sixty-nine".