133441407 has 12 divisors (see below), whose sum is σ = 210271464. Its totient is φ = 80873520.

The previous prime is 133441403. The next prime is 133441411. The reversal of 133441407 is 704144331.

It is an interprime number because it is at equal distance from previous prime (133441403) and next prime (133441411).

It is not a de Polignac number, because 133441407 - 2² = 133441403 is a prime.

It is a congruent number.

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

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 673848 + ... + 674045.

It is an arithmetic number, because the mean of its divisors is an integer number (17522622).

Almost surely, 2^133441407 is an apocalyptic number.

133441407 is a deficient number, since it is larger than the sum of its proper divisors (76830057).

133441407 is a wasteful number, since it uses less digits than its factorization.

133441407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1347910 (or 1347907 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 133441407 is about 11551.6841629262. The cubic root of 133441407 is about 511.0109474360.

Adding to 133441407 its reverse (704144331), we get a palindrome (837585738).

The spelling of 133441407 in words is "one hundred thirty-three million, four hundred forty-one thousand, four hundred seven".