13140004133 has 4 divisors (see below), whose sum is σ = 13140412428. Its totient is φ = 13139595840.

The previous prime is 13140004091. The next prime is 13140004147. The reversal of 13140004133 is 33140004131.

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 12365884804 + 774119329 = 111202^2 + 27823^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13140004133 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13140004333) 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, 151316 + ... + 221757.

It is an arithmetic number, because the mean of its divisors is an integer number (3285103107).

Almost surely, 2^13140004133 is an apocalyptic number.

It is an amenable number.

13140004133 is a deficient number, since it is larger than the sum of its proper divisors (408295).

13140004133 is an equidigital number, since it uses as much as digits as its factorization.

13140004133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 408294.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 13140004133 its reverse (33140004131), we get a palindrome (46280008264).

The spelling of 13140004133 in words is "thirteen billion, one hundred forty million, four thousand, one hundred thirty-three".