1313530142 has 4 divisors (see below), whose sum is σ = 1970295216. Its totient is φ = 656765070.

The previous prime is 1313530117. The next prime is 1313530199. The reversal of 1313530142 is 2410353131.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×1313530142² = 3450722867885080328, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 328382534 + ... + 328382537.

It is an arithmetic number, because the mean of its divisors is an integer number (492573804).

Almost surely, 2^1313530142 is an apocalyptic number.

1313530142 is a deficient number, since it is larger than the sum of its proper divisors (656765074).

1313530142 is an equidigital number, since it uses as much as digits as its factorization.

1313530142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 656765073.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 1313530142 is about 36242.6563871910. The cubic root of 1313530142 is about 1095.1661561973.

Adding to 1313530142 its reverse (2410353131), we get a palindrome (3723883273).

The spelling of 1313530142 in words is "one billion, three hundred thirteen million, five hundred thirty thousand, one hundred forty-two".