1319442492 has 24 divisors (see below), whose sum is σ = 3079717200. Its totient is φ = 439668736.

The previous prime is 1319442469. The next prime is 1319442499. The reversal of 1319442492 is 2942449131.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 1319442492.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1319442499) 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, 23434 + ... + 56462.

It is an arithmetic number, because the mean of its divisors is an integer number (128321550).

Almost surely, 2^1319442492 is an apocalyptic number.

1319442492 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1319442492 is an abundant number, since it is smaller than the sum of its proper divisors (1760274708).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1319442492 is a wasteful number, since it uses less digits than its factorization.

1319442492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36365 (or 36363 counting only the distinct ones).

The product of its digits is 62208, while the sum is 39.

The square root of 1319442492 is about 36324.1309875405. The cubic root of 1319442492 is about 1096.8068532073.

The spelling of 1319442492 in words is "one billion, three hundred nineteen million, four hundred forty-two thousand, four hundred ninety-two".