492423139 has 8 divisors (see below), whose sum is σ = 561496320. Its totient is φ = 427806336.

The previous prime is 492423137. The next prime is 492423157. The reversal of 492423139 is 931324294.

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 492423139 - 2¹ = 492423137 is a prime.

It is a super-2 number, since 2×492423139² = 484961095645226642, 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 = 492423098 and 492423107.

It is not an unprimeable number, because it can be changed into a prime (492423131) 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, 1113859 + ... + 1114300.

It is an arithmetic number, because the mean of its divisors is an integer number (70187040).

Almost surely, 2^492423139 is an apocalyptic number.

492423139 is a deficient number, since it is larger than the sum of its proper divisors (69073181).

492423139 is a wasteful number, since it uses less digits than its factorization.

492423139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2228189.

The product of its digits is 46656, while the sum is 37.

The square root of 492423139 is about 22190.6092525645. The cubic root of 492423139 is about 789.6709300835.

The spelling of 492423139 in words is "four hundred ninety-two million, four hundred twenty-three thousand, one hundred thirty-nine".