1318916156 has 12 divisors (see below), whose sum is σ = 2310375480. Its totient is φ = 658808880.

The previous prime is 1318916129. The next prime is 1318916191. The reversal of 1318916156 is 6516198131.

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, 157715 + ... + 165866.

It is an arithmetic number, because the mean of its divisors is an integer number (192531290).

Almost surely, 2^1318916156 is an apocalyptic number.

It is an amenable number.

1318916156 is a deficient number, since it is larger than the sum of its proper divisors (991459324).

1318916156 is a wasteful number, since it uses less digits than its factorization.

1318916156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324604 (or 324602 counting only the distinct ones).

The product of its digits is 38880, while the sum is 41.

The square root of 1318916156 is about 36316.8852739328. The cubic root of 1318916156 is about 1096.6609921804.

The spelling of 1318916156 in words is "one billion, three hundred eighteen million, nine hundred sixteen thousand, one hundred fifty-six".