13573139503 has 48 divisors (see below), whose sum is σ = 17722188288. Its totient is φ = 10273200000.

The previous prime is 13573139453. The next prime is 13573139513. The reversal of 13573139503 is 30593137531.

It is not a de Polignac number, because 13573139503 - 2⁹ = 13573138991 is a prime.

It is a super-3 number, since 3×13573139503³ (a number of 31 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13573139513) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5545626 + ... + 5548072.

It is an arithmetic number, because the mean of its divisors is an integer number (369212256).

Almost surely, 2^13573139503 is an apocalyptic number.

13573139503 is a deficient number, since it is larger than the sum of its proper divisors (4149048785).

13573139503 is a wasteful number, since it uses less digits than its factorization.

13573139503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2764 (or 2757 counting only the distinct ones).

The product of its (nonzero) digits is 127575, while the sum is 40.

The spelling of 13573139503 in words is "thirteen billion, five hundred seventy-three million, one hundred thirty-nine thousand, five hundred three".