133053533 has 4 divisors (see below), whose sum is σ = 133076988. Its totient is φ = 133030080.

The previous prime is 133053527. The next prime is 133053559. The reversal of 133053533 is 335350331.

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 100540729 + 32512804 = 10027^2 + 5702^2 .

It is a cyclic number.

It is not a de Polignac number, because 133053533 - 2¹⁸ = 132791389 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 (133053593) 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, 2693 + ... + 16533.

It is an arithmetic number, because the mean of its divisors is an integer number (33269247).

Almost surely, 2^133053533 is an apocalyptic number.

It is an amenable number.

133053533 is a deficient number, since it is larger than the sum of its proper divisors (23455).

133053533 is an equidigital number, since it uses as much as digits as its factorization.

133053533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23454.

The product of its (nonzero) digits is 6075, while the sum is 26.

The square root of 133053533 is about 11534.8833110699. The cubic root of 133053533 is about 510.5153486086.

The spelling of 133053533 in words is "one hundred thirty-three million, fifty-three thousand, five hundred thirty-three".