1513638912 has 44 divisors (see below), whose sum is σ = 4034407736. Its totient is φ = 504545280.

The previous prime is 1513638887. The next prime is 1513638913. The reversal of 1513638912 is 2198363151.

It is a super-2 number, since 2×1513638912² = 4582205511841087488, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1513638913) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 243289 + ... + 249432.

Almost surely, 2^1513638912 is an apocalyptic number.

1513638912 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1513638912 is an abundant number, since it is smaller than the sum of its proper divisors (2520768824).

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

1513638912 is an equidigital number, since it uses as much as digits as its factorization.

1513638912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 492744 (or 492726 counting only the distinct ones).

The product of its digits is 38880, while the sum is 39.

The square root of 1513638912 is about 38905.5126171086. The cubic root of 1513638912 is about 1148.1732591070.

The spelling of 1513638912 in words is "one billion, five hundred thirteen million, six hundred thirty-eight thousand, nine hundred twelve".