1315632734 has 16 divisors (see below), whose sum is σ = 2198538720. Its totient is φ = 586276320.

The previous prime is 1315632719. The next prime is 1315632739. The reversal of 1315632734 is 4372365131.

It is a junction number, because it is equal to n+sod(n) for n = 1315632694 and 1315632703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1315632739) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 871682 + ... + 873189.

It is an arithmetic number, because the mean of its divisors is an integer number (137408670).

Almost surely, 2^1315632734 is an apocalyptic number.

1315632734 is a deficient number, since it is larger than the sum of its proper divisors (882905986).

1315632734 is a wasteful number, since it uses less digits than its factorization.

1315632734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1744915.

The product of its digits is 45360, while the sum is 35.

The square root of 1315632734 is about 36271.6519337071. The cubic root of 1315632734 is about 1095.7501955899.

Adding to 1315632734 its reverse (4372365131), we get a palindrome (5687997865).

The spelling of 1315632734 in words is "one billion, three hundred fifteen million, six hundred thirty-two thousand, seven hundred thirty-four".