133123434 has 8 divisors (see below), whose sum is σ = 266246880. Its totient is φ = 44374476.

The previous prime is 133123429. The next prime is 133123531. The reversal of 133123434 is 434321331.

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

133123434 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11093614 + ... + 11093625.

It is an arithmetic number, because the mean of its divisors is an integer number (33280860).

Almost surely, 2^133123434 is an apocalyptic number.

133123434 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

133123434 is a wasteful number, since it uses less digits than its factorization.

133123434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22187244.

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

The square root of 133123434 is about 11537.9128961871. The cubic root of 133123434 is about 510.6047343998.

Adding to 133123434 its reverse (434321331), we get a palindrome (567444765).

The spelling of 133123434 in words is "one hundred thirty-three million, one hundred twenty-three thousand, four hundred thirty-four".