1513533868 has 48 divisors (see below), whose sum is σ = 3496518144. Its totient is φ = 554999040.

The previous prime is 1513533841. The next prime is 1513533881. The reversal of 1513533868 is 8683353151.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 139296 + ... + 149767.

It is an arithmetic number, because the mean of its divisors is an integer number (72844128).

Almost surely, 2^1513533868 is an apocalyptic number.

It is an amenable number.

1513533868 is an abundant number, since it is smaller than the sum of its proper divisors (1982984276).

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

1513533868 is a wasteful number, since it uses less digits than its factorization.

1513533868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289102 (or 289100 counting only the distinct ones).

The product of its digits is 259200, while the sum is 43.

The square root of 1513533868 is about 38904.1626050478. The cubic root of 1513533868 is about 1148.1466980602.

The spelling of 1513533868 in words is "one billion, five hundred thirteen million, five hundred thirty-three thousand, eight hundred sixty-eight".