495139226 has 4 divisors (see below), whose sum is σ = 742708842. Its totient is φ = 247569612.

The previous prime is 495139207. The next prime is 495139241. The reversal of 495139226 is 622931594.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 622931594 = 2 ⋅311465797.

It can be written as a sum of positive squares in only one way, i.e., 270109225 + 225030001 = 16435^2 + 15001^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 123784805 + ... + 123784808.

Almost surely, 2^495139226 is an apocalyptic number.

495139226 is a deficient number, since it is larger than the sum of its proper divisors (247569616).

495139226 is a wasteful number, since it uses less digits than its factorization.

495139226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247569615.

The product of its digits is 116640, while the sum is 41.

The square root of 495139226 is about 22251.7241129761. The cubic root of 495139226 is about 791.1201468178.

The spelling of 495139226 in words is "four hundred ninety-five million, one hundred thirty-nine thousand, two hundred twenty-six".