1513630242 has 48 divisors (see below), whose sum is σ = 3390266880. Its totient is φ = 487555200.

The previous prime is 1513630133. The next prime is 1513630243. The reversal of 1513630242 is 2420363151.

1513630242 is a `hidden beast` number, since 1 + 5 + 1 + 3 + 630 + 24 + 2 = 666.

It is not an unprimeable number, because it can be changed into a prime (1513630243) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 490059 + ... + 493137.

It is an arithmetic number, because the mean of its divisors is an integer number (70630560).

Almost surely, 2^1513630242 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1513630242, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1695133440).

1513630242 is an abundant number, since it is smaller than the sum of its proper divisors (1876636638).

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

1513630242 is a wasteful number, since it uses less digits than its factorization.

1513630242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3999 (or 3996 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 1513630242 is about 38905.4011931505. The cubic root of 1513630242 is about 1148.1710668886.

Adding to 1513630242 its reverse (2420363151), we get a palindrome (3933993393).

The spelling of 1513630242 in words is "one billion, five hundred thirteen million, six hundred thirty thousand, two hundred forty-two".