1318494430 has 16 divisors (see below), whose sum is σ = 2589043824. Its totient is φ = 479452480.

The previous prime is 1318494377. The next prime is 1318494461. The reversal of 1318494430 is 344948131.

It is a self number, because there is not a number n which added to its sum of digits gives 1318494430.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5993047 + ... + 5993266.

It is an arithmetic number, because the mean of its divisors is an integer number (161815239).

Almost surely, 2^1318494430 is an apocalyptic number.

1318494430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1318494430 is a deficient number, since it is larger than the sum of its proper divisors (1270549394).

1318494430 is a wasteful number, since it uses less digits than its factorization.

1318494430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11986331.

The product of its (nonzero) digits is 41472, while the sum is 37.

The square root of 1318494430 is about 36311.0786124566. The cubic root of 1318494430 is about 1096.5440932266.

The spelling of 1318494430 in words is "one billion, three hundred eighteen million, four hundred ninety-four thousand, four hundred thirty".