1315162741 has 4 divisors (see below), whose sum is σ = 1321838892. Its totient is φ = 1308486592.

The previous prime is 1315162733. The next prime is 1315162769. The reversal of 1315162741 is 1472615131.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1165198225 + 149964516 = 34135^2 + 12246^2 .

It is a cyclic number.

It is not a de Polignac number, because 1315162741 - 2³ = 1315162733 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1315162711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3337780 + ... + 3338173.

It is an arithmetic number, because the mean of its divisors is an integer number (330459723).

Almost surely, 2^1315162741 is an apocalyptic number.

It is an amenable number.

1315162741 is a deficient number, since it is larger than the sum of its proper divisors (6676151).

1315162741 is an equidigital number, since it uses as much as digits as its factorization.

1315162741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6676150.

The product of its digits is 5040, while the sum is 31.

The square root of 1315162741 is about 36265.1725626668. The cubic root of 1315162741 is about 1095.6196991259.

Adding to 1315162741 its reverse (1472615131), we get a palindrome (2787777872).

The spelling of 1315162741 in words is "one billion, three hundred fifteen million, one hundred sixty-two thousand, seven hundred forty-one".