133342533021 has 32 divisors (see below), whose sum is σ = 189740620800. Its totient is φ = 83004007424.

The previous prime is 133342532881. The next prime is 133342533031. The reversal of 133342533021 is 120335243331.

It is not a de Polignac number, because 133342533021 - 2²³ = 133334144413 is a prime.

It is a super-2 number, since 2×133342533021² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 133342533021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133342533031) 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, 6547771 + ... + 6568103.

It is an arithmetic number, because the mean of its divisors is an integer number (5929394400).

Almost surely, 2^133342533021 is an apocalyptic number.

It is an amenable number.

133342533021 is a deficient number, since it is larger than the sum of its proper divisors (56398087779).

133342533021 is a wasteful number, since it uses less digits than its factorization.

133342533021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21365.

The product of its (nonzero) digits is 19440, while the sum is 30.

Adding to 133342533021 its reverse (120335243331), we get a palindrome (253677776352).

The spelling of 133342533021 in words is "one hundred thirty-three billion, three hundred forty-two million, five hundred thirty-three thousand, twenty-one".