495139223 has 8 divisors (see below), whose sum is σ = 512493696. Its totient is φ = 477871200.

The previous prime is 495139207. The next prime is 495139241. The reversal of 495139223 is 322931594.

It is a happy number.

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

It is not a de Polignac number, because 495139223 - 2⁴ = 495139207 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (495139273) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9848 + ... + 32973.

It is an arithmetic number, because the mean of its divisors is an integer number (64061712).

Almost surely, 2^495139223 is an apocalyptic number.

495139223 is a deficient number, since it is larger than the sum of its proper divisors (17354473).

495139223 is a wasteful number, since it uses less digits than its factorization.

495139223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43225.

The product of its digits is 58320, while the sum is 38.

The square root of 495139223 is about 22251.7240455655. The cubic root of 495139223 is about 791.1201452201.

The spelling of 495139223 in words is "four hundred ninety-five million, one hundred thirty-nine thousand, two hundred twenty-three".