133983395 has 96 divisors (see below), whose sum is σ = 220631040. Its totient is φ = 77172480.

The previous prime is 133983391. The next prime is 133983413. The reversal of 133983395 is 593389331.

It is not a de Polignac number, because 133983395 - 2² = 133983391 is a prime.

It is not an unprimeable number, because it can be changed into a prime (133983391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2270876 + ... + 2270934.

It is an arithmetic number, because the mean of its divisors is an integer number (2298240).

Almost surely, 2^133983395 is an apocalyptic number.

133983395 is a deficient number, since it is larger than the sum of its proper divisors (86647645).

133983395 is a wasteful number, since it uses less digits than its factorization.

133983395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145 (or 138 counting only the distinct ones).

The product of its digits is 262440, while the sum is 44.

The square root of 133983395 is about 11575.1196538092. The cubic root of 133983395 is about 511.7018566033.

The spelling of 133983395 in words is "one hundred thirty-three million, nine hundred eighty-three thousand, three hundred ninety-five".