1513020044 has 12 divisors (see below), whose sum is σ = 2697743664. Its totient is φ = 742236144.

The previous prime is 1513020037. The next prime is 1513020073. The reversal of 1513020044 is 4400203151.

It is a junction number, because it is equal to n+sod(n) for n = 1513019998 and 1513020025.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3568232 + ... + 3568655.

It is an arithmetic number, because the mean of its divisors is an integer number (224811972).

Almost surely, 2^1513020044 is an apocalyptic number.

It is an amenable number.

1513020044 is a deficient number, since it is larger than the sum of its proper divisors (1184723620).

1513020044 is a wasteful number, since it uses less digits than its factorization.

1513020044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7136944 (or 7136942 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 1513020044 is about 38897.5583295404. The cubic root of 1513020044 is about 1148.0167566664.

Adding to 1513020044 its reverse (4400203151), we get a palindrome (5913223195).

The spelling of 1513020044 in words is "one billion, five hundred thirteen million, twenty thousand, forty-four".