133035421 has 16 divisors (see below), whose sum is σ = 145373184. Its totient is φ = 121250304.

The previous prime is 133035391. The next prime is 133035431. The reversal of 133035421 is 124530331.

It is a cyclic number.

It is not a de Polignac number, because 133035421 - 2⁵ = 133035389 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 133035392 and 133035401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133035431) 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, 92121 + ... + 93553.

It is an arithmetic number, because the mean of its divisors is an integer number (9085824).

Almost surely, 2^133035421 is an apocalyptic number.

It is an amenable number.

133035421 is a deficient number, since it is larger than the sum of its proper divisors (12337763).

133035421 is a wasteful number, since it uses less digits than its factorization.

133035421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1620.

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 133035421 is about 11534.0981875481. The cubic root of 133035421 is about 510.4921828112.

Adding to 133035421 its reverse (124530331), we get a palindrome (257565752).

The spelling of 133035421 in words is "one hundred thirty-three million, thirty-five thousand, four hundred twenty-one".