133400332424 has 8 divisors (see below), whose sum is σ = 250125623310. Its totient is φ = 66700166208.

The previous prime is 133400332421. The next prime is 133400332433. The reversal of 133400332424 is 424233004331.

It can be written as a sum of positive squares in only one way, i.e., 97950220900 + 35450111524 = 312970^2 + 188282^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (133400332421) 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 as a sum of consecutive naturals, namely, 8337520769 + ... + 8337520784.

Almost surely, 2^133400332424 is an apocalyptic number.

It is an amenable number.

133400332424 is a deficient number, since it is larger than the sum of its proper divisors (116725290886).

133400332424 is a wasteful number, since it uses less digits than its factorization.

133400332424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16675041559 (or 16675041555 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 29.

Adding to 133400332424 its reverse (424233004331), we get a palindrome (557633336755).

The spelling of 133400332424 in words is "one hundred thirty-three billion, four hundred million, three hundred thirty-two thousand, four hundred twenty-four".