1513830420 has 72 divisors (see below), whose sum is σ = 4637472840. Its totient is φ = 399686400.

The previous prime is 1513830401. The next prime is 1513830481. The reversal of 1513830420 is 240383151.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 933791364 + 580039056 = 30558^2 + 24084^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23455 + ... + 59814.

It is an arithmetic number, because the mean of its divisors is an integer number (64409345).

Almost surely, 2^1513830420 is an apocalyptic number.

1513830420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1513830420 is an abundant number, since it is smaller than the sum of its proper divisors (3123642420).

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

1513830420 is a wasteful number, since it uses less digits than its factorization.

1513830420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83385 (or 83380 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 1513830420 is about 38907.9737328995. The cubic root of 1513830420 is about 1148.2216799666.

The spelling of 1513830420 in words is "one billion, five hundred thirteen million, eight hundred thirty thousand, four hundred twenty".