133024136564881 has 9 divisors (see below), whose sum is σ = 133108027228873. Its totient is φ = 132940298761060.

The previous prime is 133024136564863. The next prime is 133024136564887. The reversal of 133024136564881 is 188465631420331.

It is a happy number.

The square root of 133024136564881 is 11533609.

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

It is not a de Polignac number, because 133024136564881 - 2⁹ = 133024136564369 is a prime.

It is a super-2 number, since 2×133024136564881² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133024136564887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 26977108986 + ... + 26977113916.

Almost surely, 2^{133024136564881} is an apocalyptic number.

133024136564881 is the 11533609-th square number.

133024136564881 is the 5766805-th centered octagonal number.

It is an amenable number.

133024136564881 is a deficient number, since it is larger than the sum of its proper divisors (83890663992).

133024136564881 is an frugal number, since it uses more digits than its factorization.

133024136564881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14540 (or 7270 counting only the distinct ones).

The product of its (nonzero) digits is 9953280, while the sum is 55.

The spelling of 133024136564881 in words is "one hundred thirty-three trillion, twenty-four billion, one hundred thirty-six million, five hundred sixty-four thousand, eight hundred eighty-one".