133021442024 has 8 divisors (see below), whose sum is σ = 249415203810. Its totient is φ = 66510721008.

The previous prime is 133021442017. The next prime is 133021442041. The reversal of 133021442024 is 420244120331.

It can be written as a sum of positive squares in only one way, i.e., 95067388900 + 37954053124 = 308330^2 + 194818^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 133021441984 and 133021442002.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8313840119 + ... + 8313840134.

Almost surely, 2^133021442024 is an apocalyptic number.

It is an amenable number.

133021442024 is a deficient number, since it is larger than the sum of its proper divisors (116393761786).

133021442024 is a wasteful number, since it uses less digits than its factorization.

133021442024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16627680259 (or 16627680255 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 133021442024 its reverse (420244120331), we get a palindrome (553265562355).

The spelling of 133021442024 in words is "one hundred thirty-three billion, twenty-one million, four hundred forty-two thousand, twenty-four".