1513382144 has 36 divisors (see below), whose sum is σ = 3059132160. Its totient is φ = 747102720.

The previous prime is 1513382113. The next prime is 1513382147. The reversal of 1513382144 is 4412833151.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a self number, because there is not a number n which added to its sum of digits gives 1513382144.

It is not an unprimeable number, because it can be changed into a prime (1513382147) 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, 17192 + ... + 57639.

Almost surely, 2^1513382144 is an apocalyptic number.

It is an amenable number.

1513382144 is an abundant number, since it is smaller than the sum of its proper divisors (1545750016).

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

1513382144 is an frugal number, since it uses more digits than its factorization.

1513382144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74926 (or 74912 counting only the distinct ones).

The product of its digits is 11520, while the sum is 32.

The square root of 1513382144 is about 38902.2125848903. The cubic root of 1513382144 is about 1148.1083315074.

The spelling of 1513382144 in words is "one billion, five hundred thirteen million, three hundred eighty-two thousand, one hundred forty-four".