1445316133213 has 4 divisors (see below), whose sum is σ = 1472586248988. Its totient is φ = 1418046017440.

The previous prime is 1445316133199. The next prime is 1445316133231. The reversal of 1445316133213 is 3123316135441.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1072212617529 + 373103515684 = 1035477^2 + 610822^2 .

It is a cyclic number.

It is not a de Polignac number, because 1445316133213 - 2²⁹ = 1444779262301 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 (1445316133013) 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, 13635057808 + ... + 13635057913.

It is an arithmetic number, because the mean of its divisors is an integer number (368146562247).

Almost surely, 2^{1445316133213} is an apocalyptic number.

It is an amenable number.

1445316133213 is a deficient number, since it is larger than the sum of its proper divisors (27270115775).

1445316133213 is an equidigital number, since it uses as much as digits as its factorization.

1445316133213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27270115774.

The product of its digits is 77760, while the sum is 37.

The spelling of 1445316133213 in words is "one trillion, four hundred forty-five billion, three hundred sixteen million, one hundred thirty-three thousand, two hundred thirteen".