1310539745 has 16 divisors (see below), whose sum is σ = 1617330240. Its totient is φ = 1019014464.

The previous prime is 1310539709. The next prime is 1310539819. The reversal of 1310539745 is 5479350131.

It is a de Polignac number, because none of the positive numbers 2^k-1310539745 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1310539699 and 1310539708.

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, 5246 + ... + 51464.

It is an arithmetic number, because the mean of its divisors is an integer number (101083140).

Almost surely, 2^1310539745 is an apocalyptic number.

It is an amenable number.

1310539745 is a deficient number, since it is larger than the sum of its proper divisors (306790495).

1310539745 is a wasteful number, since it uses less digits than its factorization.

1310539745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46384.

The product of its (nonzero) digits is 56700, while the sum is 38.

The square root of 1310539745 is about 36201.3776671552. The cubic root of 1310539745 is about 1094.3344356509.

Adding to 1310539745 its reverse (5479350131), we get a palindrome (6789889876).

The spelling of 1310539745 in words is "one billion, three hundred ten million, five hundred thirty-nine thousand, seven hundred forty-five".