73135440445213 has 8 divisors (see below), whose sum is σ = 73235929120928. Its totient is φ = 73034953714224.

The previous prime is 73135440445163. The next prime is 73135440445231. The reversal of 73135440445213 is 31254404453137.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 73135440445213 - 2⁴⁵ = 37951068356381 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 (73135440445283) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85118770 + ... + 85973692.

It is an arithmetic number, because the mean of its divisors is an integer number (9154491140116).

Almost surely, 2^{73135440445213} is an apocalyptic number.

It is an amenable number.

73135440445213 is a deficient number, since it is larger than the sum of its proper divisors (100488675715).

73135440445213 is a wasteful number, since it uses less digits than its factorization.

73135440445213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 972363.

The product of its (nonzero) digits is 2419200, while the sum is 46.

The spelling of 73135440445213 in words is "seventy-three trillion, one hundred thirty-five billion, four hundred forty million, four hundred forty-five thousand, two hundred thirteen".