133441443 has 6 divisors (see below), whose sum is σ = 192748764. Its totient is φ = 88960956.

The previous prime is 133441433. The next prime is 133441463. The reversal of 133441443 is 344144331.

It is not a de Polignac number, because 133441443 - 2⁵ = 133441411 is a prime.

It is not an unprimeable number, because it can be changed into a prime (133441403) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7413405 + ... + 7413422.

It is an arithmetic number, because the mean of its divisors is an integer number (32124794).

Almost surely, 2^133441443 is an apocalyptic number.

133441443 is a deficient number, since it is larger than the sum of its proper divisors (59307321).

133441443 is a wasteful number, since it uses less digits than its factorization.

133441443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14826833 (or 14826830 counting only the distinct ones).

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

The square root of 133441443 is about 11551.6857211404. The cubic root of 133441443 is about 511.0109933897.

Adding to 133441443 its reverse (344144331), we get a palindrome (477585774).

The spelling of 133441443 in words is "one hundred thirty-three million, four hundred forty-one thousand, four hundred forty-three".