133052202423421 has 4 divisors (see below), whose sum is σ = 133239864204700. Its totient is φ = 132864540642144.

The previous prime is 133052202423379. The next prime is 133052202423431. The reversal of 133052202423421 is 124324202250331.

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 14275445097796 + 118776757325625 = 3778286^2 + 10898475^2 .

It is a cyclic number.

It is not a de Polignac number, because 133052202423421 - 2²³ = 133052194034813 is a prime.

It is a super-3 number, since 3×133052202423421³ (a number of 43 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133052202423431) 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, 93830889576 + ... + 93830890993.

It is an arithmetic number, because the mean of its divisors is an integer number (33309966051175).

Almost surely, 2^{133052202423421} is an apocalyptic number.

It is an amenable number.

133052202423421 is a deficient number, since it is larger than the sum of its proper divisors (187661781279).

133052202423421 is an equidigital number, since it uses as much as digits as its factorization.

133052202423421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187661781278.

The product of its (nonzero) digits is 69120, while the sum is 34.

Adding to 133052202423421 its reverse (124324202250331), we get a palindrome (257376404673752).

The spelling of 133052202423421 in words is "one hundred thirty-three trillion, fifty-two billion, two hundred two million, four hundred twenty-three thousand, four hundred twenty-one".