1310725608139 has 2 divisors, whose sum is σ = 1310725608140. Its totient is φ = 1310725608138.

The previous prime is 1310725608133. The next prime is 1310725608217. The reversal of 1310725608139 is 9318065270131.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1310725608139 - 2¹⁵ = 1310725575371 is a prime.

It is not a weakly prime, because it can be changed into another prime (1310725608133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 655362804069 + 655362804070.

It is an arithmetic number, because the mean of its divisors is an integer number (655362804070).

Almost surely, 2^{1310725608139} is an apocalyptic number.

1310725608139 is a deficient number, since it is larger than the sum of its proper divisors (1).

1310725608139 is an equidigital number, since it uses as much as digits as its factorization.

1310725608139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 272160, while the sum is 46.

The spelling of 1310725608139 in words is "one trillion, three hundred ten billion, seven hundred twenty-five million, six hundred eight thousand, one hundred thirty-nine".