1318718151 has 20 divisors (see below), whose sum is σ = 2011856352. Its totient is φ = 860437728.

The previous prime is 1318718129. The next prime is 1318718153. The reversal of 1318718151 is 1518178131.

It is not a de Polignac number, because 1318718151 - 2⁵ = 1318718119 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1318718153) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 169390 + ... + 177003.

Almost surely, 2^1318718151 is an apocalyptic number.

1318718151 is a deficient number, since it is larger than the sum of its proper divisors (693138201).

1318718151 is an equidigital number, since it uses as much as digits as its factorization.

1318718151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 346452 (or 346443 counting only the distinct ones).

The product of its digits is 6720, while the sum is 36.

The square root of 1318718151 is about 36314.1590980708. The cubic root of 1318718151 is about 1096.6061099384.

The spelling of 1318718151 in words is "one billion, three hundred eighteen million, seven hundred eighteen thousand, one hundred fifty-one".