133233051 has 16 divisors (see below), whose sum is σ = 206054144. Its totient is φ = 74996064.

The previous prime is 133233031. The next prime is 133233119. The reversal of 133233051 is 150332331.

It is not a de Polignac number, because 133233051 - 2⁶ = 133232987 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133233031) 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, 45940 + ... + 48753.

It is an arithmetic number, because the mean of its divisors is an integer number (12878384).

Almost surely, 2^133233051 is an apocalyptic number.

133233051 is a deficient number, since it is larger than the sum of its proper divisors (72821093).

133233051 is an equidigital number, since it uses as much as digits as its factorization.

133233051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94770.

The product of its (nonzero) digits is 810, while the sum is 21.

The square root of 133233051 is about 11542.6622145846. The cubic root of 133233051 is about 510.7448439756.

Adding to 133233051 its reverse (150332331), we get a palindrome (283565382).

The spelling of 133233051 in words is "one hundred thirty-three million, two hundred thirty-three thousand, fifty-one".