133421130133 has 4 divisors (see below), whose sum is σ = 135682505280. Its totient is φ = 131159754988.

The previous prime is 133421130083. The next prime is 133421130203. The reversal of 133421130133 is 331031124331.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 331031124331 = 154409 ⋅2143859.

It is a cyclic number.

It is not a de Polignac number, because 133421130133 - 2¹³ = 133421121941 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 133421130098 and 133421130107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133428130133) 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, 1130687485 + ... + 1130687602.

It is an arithmetic number, because the mean of its divisors is an integer number (33920626320).

Almost surely, 2^133421130133 is an apocalyptic number.

It is an amenable number.

133421130133 is a deficient number, since it is larger than the sum of its proper divisors (2261375147).

133421130133 is an equidigital number, since it uses as much as digits as its factorization.

133421130133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2261375146.

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

Adding to 133421130133 its reverse (331031124331), we get a palindrome (464452254464).

The spelling of 133421130133 in words is "one hundred thirty-three billion, four hundred twenty-one million, one hundred thirty thousand, one hundred thirty-three".