1313138125007 has 4 divisors (see below), whose sum is σ = 1313261934816. Its totient is φ = 1313014315200.

The previous prime is 1313138125003. The next prime is 1313138125009. The reversal of 1313138125007 is 7005218313131.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1313138125007 - 2² = 1313138125003 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1313138125001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61888994 + ... + 61910207.

It is an arithmetic number, because the mean of its divisors is an integer number (328315483704).

Almost surely, 2^{1313138125007} is an apocalyptic number.

1313138125007 is a deficient number, since it is larger than the sum of its proper divisors (123809809).

1313138125007 is a wasteful number, since it uses less digits than its factorization.

1313138125007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123809808.

The product of its (nonzero) digits is 15120, while the sum is 35.

The spelling of 1313138125007 in words is "one trillion, three hundred thirteen billion, one hundred thirty-eight million, one hundred twenty-five thousand, seven".