1513994965 has 8 divisors (see below), whose sum is σ = 2076336000. Its totient is φ = 1038167952.

The previous prime is 1513994927. The next prime is 1513994981. The reversal of 1513994965 is 5694993151.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1513994965 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21628465 + ... + 21628534.

It is an arithmetic number, because the mean of its divisors is an integer number (259542000).

Almost surely, 2^1513994965 is an apocalyptic number.

It is an amenable number.

1513994965 is a deficient number, since it is larger than the sum of its proper divisors (562341035).

1513994965 is an equidigital number, since it uses as much as digits as its factorization.

1513994965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43257011.

The product of its digits is 1312200, while the sum is 52.

The square root of 1513994965 is about 38910.0882162968. The cubic root of 1513994965 is about 1148.2632802429.

The spelling of 1513994965 in words is "one billion, five hundred thirteen million, nine hundred ninety-four thousand, nine hundred sixty-five".