1313270742 has 32 divisors (see below), whose sum is σ = 3105273600. Its totient is φ = 362281248.

The previous prime is 1313270731. The next prime is 1313270789. The reversal of 1313270742 is 2470723131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 537892 + ... + 540327.

It is an arithmetic number, because the mean of its divisors is an integer number (97039800).

Almost surely, 2^1313270742 is an apocalyptic number.

1313270742 is an abundant number, since it is smaller than the sum of its proper divisors (1792002858).

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

1313270742 is a wasteful number, since it uses less digits than its factorization.

1313270742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1078260.

The product of its (nonzero) digits is 7056, while the sum is 30.

The square root of 1313270742 is about 36239.0775544853. The cubic root of 1313270742 is about 1095.0940591832.

Adding to 1313270742 its reverse (2470723131), we get a palindrome (3783993873).

The spelling of 1313270742 in words is "one billion, three hundred thirteen million, two hundred seventy thousand, seven hundred forty-two".