1310145899 has 2 divisors, whose sum is σ = 1310145900. Its totient is φ = 1310145898.

The previous prime is 1310145877. The next prime is 1310145911. The reversal of 1310145899 is 9985410131.

It is a strong prime.

It is an emirp because it is prime and its reverse (9985410131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1310145899 - 2¹⁶ = 1310080363 is a prime.

It is not a weakly prime, because it can be changed into another prime (1310145299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 655072949 + 655072950.

It is an arithmetic number, because the mean of its divisors is an integer number (655072950).

Almost surely, 2^1310145899 is an apocalyptic number.

1310145899 is a deficient number, since it is larger than the sum of its proper divisors (1).

1310145899 is an equidigital number, since it uses as much as digits as its factorization.

1310145899 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 38880, while the sum is 41.

The square root of 1310145899 is about 36195.9376035488. The cubic root of 1310145899 is about 1094.2248008169.

The spelling of 1310145899 in words is "one billion, three hundred ten million, one hundred forty-five thousand, eight hundred ninety-nine".