133203113413 has 4 divisors (see below), whose sum is σ = 133375433868. Its totient is φ = 133030792960.

The previous prime is 133203113383. The next prime is 133203113429. The reversal of 133203113413 is 314311302331.

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 22461916129 + 110741197284 = 149873^2 + 332778^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-133203113413 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 (133203111413) 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, 86159068 + ... + 86160613.

It is an arithmetic number, because the mean of its divisors is an integer number (33343858467).

Almost surely, 2^133203113413 is an apocalyptic number.

It is an amenable number.

133203113413 is a deficient number, since it is larger than the sum of its proper divisors (172320455).

133203113413 is an equidigital number, since it uses as much as digits as its factorization.

133203113413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172320454.

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 133203113413 its reverse (314311302331), we get a palindrome (447514415744).

The spelling of 133203113413 in words is "one hundred thirty-three billion, two hundred three million, one hundred thirteen thousand, four hundred thirteen".