1318245652 has 12 divisors (see below), whose sum is σ = 2314349856. Its totient is φ = 657002840.

The previous prime is 1318245589. The next prime is 1318245689. The reversal of 1318245652 is 2565428131.

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, 528598 + ... + 531085.

It is an arithmetic number, because the mean of its divisors is an integer number (192862488).

Almost surely, 2^1318245652 is an apocalyptic number.

It is an amenable number.

1318245652 is a deficient number, since it is larger than the sum of its proper divisors (996104204).

1318245652 is a wasteful number, since it uses less digits than its factorization.

1318245652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1059998 (or 1059996 counting only the distinct ones).

The product of its digits is 57600, while the sum is 37.

The square root of 1318245652 is about 36307.6528021297. The cubic root of 1318245652 is about 1096.4751223359.

The spelling of 1318245652 in words is "one billion, three hundred eighteen million, two hundred forty-five thousand, six hundred fifty-two".