133441434 has 24 divisors (see below), whose sum is σ = 330426720. Its totient is φ = 38126088.

The previous prime is 133441433. The next prime is 133441463. The reversal of 133441434 is 434144331.

It is a junction number, because it is equal to n+sod(n) for n = 133441398 and 133441407.

It is not an unprimeable number, because it can be changed into a prime (133441433) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 529404 + ... + 529655.

It is an arithmetic number, because the mean of its divisors is an integer number (13767780).

Almost surely, 2^133441434 is an apocalyptic number.

133441434 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

133441434 is an abundant number, since it is smaller than the sum of its proper divisors (196985286).

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

133441434 is a wasteful number, since it uses less digits than its factorization.

133441434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1059074 (or 1059071 counting only the distinct ones).

The product of its digits is 6912, while the sum is 27.

The square root of 133441434 is about 11551.6853315869. The cubic root of 133441434 is about 511.0109819013.

Adding to 133441434 its reverse (434144331), we get a palindrome (567585765).

The spelling of 133441434 in words is "one hundred thirty-three million, four hundred forty-one thousand, four hundred thirty-four".