133434433 has 8 divisors (see below), whose sum is σ = 147007296. Its totient is φ = 120102000.

The previous prime is 133434419. The next prime is 133434439. The reversal of 133434433 is 334434331.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 133434433 - 2²¹ = 131337281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133434439) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58941 + ... + 61162.

It is an arithmetic number, because the mean of its divisors is an integer number (18375912).

Almost surely, 2^133434433 is an apocalyptic number.

It is an amenable number.

133434433 is a deficient number, since it is larger than the sum of its proper divisors (13572863).

133434433 is a wasteful number, since it uses less digits than its factorization.

133434433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120215.

The product of its digits is 15552, while the sum is 28.

The square root of 133434433 is about 11551.3822982360. The cubic root of 133434433 is about 511.0020450207.

Adding to 133434433 its reverse (334434331), we get a palindrome (467868764).

The spelling of 133434433 in words is "one hundred thirty-three million, four hundred thirty-four thousand, four hundred thirty-three".