133432383 has 32 divisors (see below), whose sum is σ = 215677440. Its totient is φ = 71677440.

The previous prime is 133432381. The next prime is 133432399. The reversal of 133432383 is 383234331.

It is a happy number.

It is not a de Polignac number, because 133432383 - 2¹ = 133432381 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 133432383.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133432381) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 53443 + ... + 55883.

It is an arithmetic number, because the mean of its divisors is an integer number (6739920).

Almost surely, 2^133432383 is an apocalyptic number.

133432383 is a deficient number, since it is larger than the sum of its proper divisors (82245057).

133432383 is a wasteful number, since it uses less digits than its factorization.

133432383 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2607.

The product of its digits is 15552, while the sum is 30.

The square root of 133432383 is about 11551.2935639261. The cubic root of 133432383 is about 510.9994281061. Note that the first 3 decimals are identical.

The spelling of 133432383 in words is "one hundred thirty-three million, four hundred thirty-two thousand, three hundred eighty-three".