133045407 has 12 divisors (see below), whose sum is σ = 209647464. Its totient is φ = 80633520.

The previous prime is 133045387. The next prime is 133045427. The reversal of 133045407 is 704540331.

It is an interprime number because it is at equal distance from previous prime (133045387) and next prime (133045427).

It is not a de Polignac number, because 133045407 - 2¹⁰ = 133044383 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133045427) 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, 671848 + ... + 672045.

It is an arithmetic number, because the mean of its divisors is an integer number (17470622).

Almost surely, 2^133045407 is an apocalyptic number.

133045407 is a deficient number, since it is larger than the sum of its proper divisors (76602057).

133045407 is a wasteful number, since it uses less digits than its factorization.

133045407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1343910 (or 1343907 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 133045407 is about 11534.5310697921. The cubic root of 133045407 is about 510.5049554682.

Adding to 133045407 its reverse (704540331), we get a palindrome (837585738).

The spelling of 133045407 in words is "one hundred thirty-three million, forty-five thousand, four hundred seven".