405372133 has 8 divisors (see below), whose sum is σ = 414317952. Its totient is φ = 396439776.

The previous prime is 405372119. The next prime is 405372167. The reversal of 405372133 is 331273504.

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

It is a cyclic number.

It is not a de Polignac number, because 405372133 - 2¹⁷ = 405241061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (405372113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79641 + ... + 84577.

It is an arithmetic number, because the mean of its divisors is an integer number (51789744).

Almost surely, 2^405372133 is an apocalyptic number.

It is an amenable number.

405372133 is a deficient number, since it is larger than the sum of its proper divisors (8945819).

405372133 is a wasteful number, since it uses less digits than its factorization.

405372133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6731.

The product of its (nonzero) digits is 7560, while the sum is 28.

The square root of 405372133 is about 20133.8553933418. The cubic root of 405372133 is about 740.0901600641.

The spelling of 405372133 in words is "four hundred five million, three hundred seventy-two thousand, one hundred thirty-three".