1318813119 has 24 divisors (see below), whose sum is σ = 2059162560. Its totient is φ = 808540992.

The previous prime is 1318813117. The next prime is 1318813121. The reversal of 1318813119 is 9113188131.

It is an interprime number because it is at equal distance from previous prime (1318813117) and next prime (1318813121).

It is not a de Polignac number, because 1318813119 - 2¹ = 1318813117 is a prime.

It is a super-2 number, since 2×1318813119² = 3478536085693016322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1318813117) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10522 + ... + 52424.

It is an arithmetic number, because the mean of its divisors is an integer number (85798440).

Almost surely, 2^1318813119 is an apocalyptic number.

1318813119 is a deficient number, since it is larger than the sum of its proper divisors (740349441).

1318813119 is a wasteful number, since it uses less digits than its factorization.

1318813119 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42191 (or 42188 counting only the distinct ones).

The product of its digits is 5184, while the sum is 36.

The square root of 1318813119 is about 36315.4666636683. The cubic root of 1318813119 is about 1096.6324334782.

The spelling of 1318813119 in words is "one billion, three hundred eighteen million, eight hundred thirteen thousand, one hundred nineteen".