1318415352 has 32 divisors (see below), whose sum is σ = 3376432080. Its totient is φ = 428752640.

The previous prime is 1318415341. The next prime is 1318415359. The reversal of 1318415352 is 2535148131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1318415359) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 668943 + ... + 670910.

Almost surely, 2^1318415352 is an apocalyptic number.

1318415352 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1318415352 is an abundant number, since it is smaller than the sum of its proper divisors (2058016728).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1318415352 is a wasteful number, since it uses less digits than its factorization.

1318415352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1339903 (or 1339899 counting only the distinct ones).

The product of its digits is 14400, while the sum is 33.

The square root of 1318415352 is about 36309.9896998058. The cubic root of 1318415352 is about 1096.5221706849.

The spelling of 1318415352 in words is "one billion, three hundred eighteen million, four hundred fifteen thousand, three hundred fifty-two".