1310726725 has 72 divisors (see below), whose sum is σ = 2076804576. Its totient is φ = 811440000.

The previous prime is 1310726719. The next prime is 1310726749. The reversal of 1310726725 is 5276270131.

It is not a de Polignac number, because 1310726725 - 2⁷ = 1310726597 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 2842995 + ... + 2843455.

It is an arithmetic number, because the mean of its divisors is an integer number (28844508).

Almost surely, 2^1310726725 is an apocalyptic number.

It is an amenable number.

1310726725 is a deficient number, since it is larger than the sum of its proper divisors (766077851).

1310726725 is a wasteful number, since it uses less digits than its factorization.

1310726725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 707 (or 695 counting only the distinct ones).

The product of its (nonzero) digits is 17640, while the sum is 34.

The square root of 1310726725 is about 36203.9600734505. The cubic root of 1310726725 is about 1094.3864775477.

Adding to 1310726725 its reverse (5276270131), we get a palindrome (6586996856).

The spelling of 1310726725 in words is "one billion, three hundred ten million, seven hundred twenty-six thousand, seven hundred twenty-five".