133134243 has 24 divisors (see below), whose sum is σ = 201427968. Its totient is φ = 78078000.

The previous prime is 133134217. The next prime is 133134263. The reversal of 133134243 is 342431331.

It is not a de Polignac number, because 133134243 - 2⁶ = 133134179 is a prime.

It is not an unprimeable number, because it can be changed into a prime (133134203) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5338 + ... + 17168.

It is an arithmetic number, because the mean of its divisors is an integer number (8392832).

Almost surely, 2^133134243 is an apocalyptic number.

133134243 is a deficient number, since it is larger than the sum of its proper divisors (68293725).

133134243 is a wasteful number, since it uses less digits than its factorization.

133134243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11887 (or 11876 counting only the distinct ones).

The product of its digits is 2592, while the sum is 24.

The square root of 133134243 is about 11538.3812989518. The cubic root of 133134243 is about 510.6185535977.

Adding to 133134243 its reverse (342431331), we get a palindrome (475565574).

The spelling of 133134243 in words is "one hundred thirty-three million, one hundred thirty-four thousand, two hundred forty-three".