133358623489 has 27 divisors (see below), whose sum is σ = 168024456873. Its totient is φ = 105488222112.

The previous prime is 133358623481. The next prime is 133358623553. The reversal of 133358623489 is 984326853331.

The square root of 133358623489 is 365183.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 46009089 + 133312614400 = 6783^2 + 365120^2 .

It is not a de Polignac number, because 133358623489 - 2³ = 133358623481 is a prime.

It is not an unprimeable number, because it can be changed into a prime (133358623481) 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 26 ways as a sum of consecutive naturals, for example, 33229647 + ... + 33233659.

Almost surely, 2^133358623489 is an apocalyptic number.

133358623489 is the 365183-rd square number.

133358623489 is the 182592-nd centered octagonal number.

It is an amenable number.

133358623489 is a deficient number, since it is larger than the sum of its proper divisors (34665833384).

133358623489 is an frugal number, since it uses more digits than its factorization.

133358623489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8066 (or 4033 counting only the distinct ones).

The product of its digits is 11197440, while the sum is 55.

The spelling of 133358623489 in words is "one hundred thirty-three billion, three hundred fifty-eight million, six hundred twenty-three thousand, four hundred eighty-nine".