133501412521023 has 8 divisors (see below), whose sum is σ = 178136021937408. Its totient is φ = 88933872392664.

The previous prime is 133501412521021. The next prime is 133501412521027. The reversal of 133501412521023 is 320125214105331.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 133501412521023 - 2¹ = 133501412521021 is a prime.

It is a super-4 number, since 4×133501412521023⁴ (a number of 58 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133501412521021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16767317361 + ... + 16767325322.

It is an arithmetic number, because the mean of its divisors is an integer number (22267002742176).

Almost surely, 2^{133501412521023} is an apocalyptic number.

133501412521023 is a deficient number, since it is larger than the sum of its proper divisors (44634609416385).

133501412521023 is a wasteful number, since it uses less digits than its factorization.

133501412521023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33534644013.

The product of its (nonzero) digits is 21600, while the sum is 33.

Adding to 133501412521023 its reverse (320125214105331), we get a palindrome (453626626626354).

The spelling of 133501412521023 in words is "one hundred thirty-three trillion, five hundred one billion, four hundred twelve million, five hundred twenty-one thousand, twenty-three".