1513742068 has 18 divisors (see below), whose sum is σ = 2683049586. Its totient is φ = 747278064.

The previous prime is 1513742057. The next prime is 1513742071. The reversal of 1513742068 is 8602473151.

It can be written as a sum of positive squares in only one way, i.e., 1510721424 + 3020644 = 38868^2 + 1738^2 .

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 5 ways as a sum of consecutive naturals, for example, 5355 + ... + 55282.

Almost surely, 2^1513742068 is an apocalyptic number.

It is an amenable number.

1513742068 is a deficient number, since it is larger than the sum of its proper divisors (1169307518).

1513742068 is an equidigital number, since it uses as much as digits as its factorization.

1513742068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60799 (or 60718 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 1513742068 is about 38906.8383192467. The cubic root of 1513742068 is about 1148.1993415650.

The spelling of 1513742068 in words is "one billion, five hundred thirteen million, seven hundred forty-two thousand, sixty-eight".