1317539998 has 8 divisors (see below), whose sum is σ = 1993799808. Its totient is φ = 652940064.

The previous prime is 1317539983. The next prime is 1317540013. The reversal of 1317539998 is 8999357131.

It is an interprime number because it is at equal distance from previous prime (1317539983) and next prime (1317540013).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2914686 + ... + 2915137.

It is an arithmetic number, because the mean of its divisors is an integer number (249224976).

Almost surely, 2^1317539998 is an apocalyptic number.

1317539998 is a deficient number, since it is larger than the sum of its proper divisors (676259810).

1317539998 is a wasteful number, since it uses less digits than its factorization.

1317539998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5829938.

The product of its digits is 1837080, while the sum is 55.

The square root of 1317539998 is about 36297.9337979450. The cubic root of 1317539998 is about 1096.2794405081.

The spelling of 1317539998 in words is "one billion, three hundred seventeen million, five hundred thirty-nine thousand, nine hundred ninety-eight".