1318453098 has 16 divisors (see below), whose sum is σ = 2640007776. Its totient is φ = 438967440.

The previous prime is 1318453061. The next prime is 1318453099. The reversal of 1318453098 is 8903548131.

It is not an unprimeable number, because it can be changed into a prime (1318453099) 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, 123688 + ... + 133923.

It is an arithmetic number, because the mean of its divisors is an integer number (165000486).

Almost surely, 2^1318453098 is an apocalyptic number.

1318453098 is an abundant number, since it is smaller than the sum of its proper divisors (1321554678).

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

1318453098 is a wasteful number, since it uses less digits than its factorization.

1318453098 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258469.

The product of its (nonzero) digits is 103680, while the sum is 42.

The square root of 1318453098 is about 36310.5094703999. The cubic root of 1318453098 is about 1096.5326349974.

The spelling of 1318453098 in words is "one billion, three hundred eighteen million, four hundred fifty-three thousand, ninety-eight".