1513100420 has 48 divisors (see below), whose sum is σ = 3424900080. Its totient is φ = 558199296.

The previous prime is 1513100399. The next prime is 1513100431. The reversal of 1513100420 is 240013151.

It can be written as a sum of positive squares in 8 ways, for example, as 193376836 + 1319723584 = 13906^2 + 36328^2 .

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, 463514 + ... + 466766.

It is an arithmetic number, because the mean of its divisors is an integer number (71352085).

Almost surely, 2^1513100420 is an apocalyptic number.

1513100420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1513100420 is an abundant number, since it is smaller than the sum of its proper divisors (1911799660).

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

1513100420 is a wasteful number, since it uses less digits than its factorization.

1513100420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5064 (or 5062 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 1513100420 is about 38898.5914912095. The cubic root of 1513100420 is about 1148.0370849631.

Adding to 1513100420 its reverse (240013151), we get a palindrome (1753113571).

The spelling of 1513100420 in words is "one billion, five hundred thirteen million, one hundred thousand, four hundred twenty".