133254540035421 has 16 divisors (see below), whose sum is σ = 203081658384384. Its totient is φ = 76135281003504.

The previous prime is 133254540035413. The next prime is 133254540035423. The reversal of 133254540035421 is 124530045452331.

It is not a de Polignac number, because 133254540035421 - 2³ = 133254540035413 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133254540035423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 423607585 + ... + 423922038.

It is an arithmetic number, because the mean of its divisors is an integer number (12692603649024).

Almost surely, 2^{133254540035421} is an apocalyptic number.

It is an amenable number.

133254540035421 is a deficient number, since it is larger than the sum of its proper divisors (69827118348963).

133254540035421 is an equidigital number, since it uses as much as digits as its factorization.

133254540035421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 847537120.

The product of its (nonzero) digits is 864000, while the sum is 42.

Adding to 133254540035421 its reverse (124530045452331), we get a palindrome (257784585487752).

The spelling of 133254540035421 in words is "one hundred thirty-three trillion, two hundred fifty-four billion, five hundred forty million, thirty-five thousand, four hundred twenty-one".