133502053 has 4 divisors (see below), whose sum is σ = 134321248. Its totient is φ = 132682860.

The previous prime is 133502041. The next prime is 133502059. The reversal of 133502053 is 350205331.

It is a happy number.

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.

It is a cyclic number.

It is not a de Polignac number, because 133502053 - 2¹³ = 133493861 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 (133502059) 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, 409353 + ... + 409678.

It is an arithmetic number, because the mean of its divisors is an integer number (33580312).

Almost surely, 2^133502053 is an apocalyptic number.

It is an amenable number.

133502053 is a deficient number, since it is larger than the sum of its proper divisors (819195).

133502053 is an equidigital number, since it uses as much as digits as its factorization.

133502053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 819194.

The product of its (nonzero) digits is 1350, while the sum is 22.

The square root of 133502053 is about 11554.3088499486. The cubic root of 133502053 is about 511.0883498878.

Adding to 133502053 its reverse (350205331), we get a palindrome (483707384).

The spelling of 133502053 in words is "one hundred thirty-three million, five hundred two thousand, fifty-three".