133434243 has 16 divisors (see below), whose sum is σ = 199532160. Its totient is φ = 88122888.

The previous prime is 133434221. The next prime is 133434263. The reversal of 133434243 is 342434331.

It is not a de Polignac number, because 133434243 - 2⁵ = 133434211 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (133434263) 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, 20205 + ... + 25982.

It is an arithmetic number, because the mean of its divisors is an integer number (12470760).

Almost surely, 2^133434243 is an apocalyptic number.

133434243 is a deficient number, since it is larger than the sum of its proper divisors (66097917).

133434243 is a wasteful number, since it uses less digits than its factorization.

133434243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46303 (or 46297 counting only the distinct ones).

The product of its digits is 10368, while the sum is 27.

The square root of 133434243 is about 11551.3740741091. The cubic root of 133434243 is about 511.0018024786.

Adding to 133434243 its reverse (342434331), we get a palindrome (475868574).

The spelling of 133434243 in words is "one hundred thirty-three million, four hundred thirty-four thousand, two hundred forty-three".