1315218854 has 8 divisors (see below), whose sum is σ = 1984642128. Its totient is φ = 653671480.

The previous prime is 1315218847. The next prime is 1315218887. The reversal of 1315218854 is 4588125131.

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, 1968557 + ... + 1969224.

It is an arithmetic number, because the mean of its divisors is an integer number (248080266).

Almost surely, 2^1315218854 is an apocalyptic number.

1315218854 is a deficient number, since it is larger than the sum of its proper divisors (669423274).

1315218854 is a wasteful number, since it uses less digits than its factorization.

1315218854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3937950.

The product of its digits is 38400, while the sum is 38.

The square root of 1315218854 is about 36265.9462030153. The cubic root of 1315218854 is about 1095.6352808817.

The spelling of 1315218854 in words is "one billion, three hundred fifteen million, two hundred eighteen thousand, eight hundred fifty-four".