13135003573 has 4 divisors (see below), whose sum is σ = 13907650860. Its totient is φ = 12362356288.

The previous prime is 13135003559. The next prime is 13135003577. The reversal of 13135003573 is 37530053131.

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 10737726129 + 2397277444 = 103623^2 + 48962^2 .

It is a cyclic number.

It is not a de Polignac number, because 13135003573 - 2²¹ = 13132906421 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 (13135003577) 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, 386323618 + ... + 386323651.

It is an arithmetic number, because the mean of its divisors is an integer number (3476912715).

Almost surely, 2^13135003573 is an apocalyptic number.

It is an amenable number.

13135003573 is a deficient number, since it is larger than the sum of its proper divisors (772647287).

13135003573 is an equidigital number, since it uses as much as digits as its factorization.

13135003573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 772647286.

The product of its (nonzero) digits is 14175, while the sum is 31.

The spelling of 13135003573 in words is "thirteen billion, one hundred thirty-five million, three thousand, five hundred seventy-three".