133565230641121 has 4 divisors (see below), whose sum is σ = 134584812554544. Its totient is φ = 132545648727700.

The previous prime is 133565230641043. The next prime is 133565230641131. The reversal of 133565230641121 is 121146032565331.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 133565230641121 - 2¹³ = 133565230632929 is a prime.

It is a super-2 number, since 2×133565230641121² (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 (133565230641131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 509790956515 + ... + 509790956776.

It is an arithmetic number, because the mean of its divisors is an integer number (33646203138636).

Almost surely, 2^{133565230641121} is an apocalyptic number.

It is an amenable number.

133565230641121 is a deficient number, since it is larger than the sum of its proper divisors (1019581913423).

133565230641121 is a wasteful number, since it uses less digits than its factorization.

133565230641121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1019581913422.

The product of its (nonzero) digits is 388800, while the sum is 43.

The spelling of 133565230641121 in words is "one hundred thirty-three trillion, five hundred sixty-five billion, two hundred thirty million, six hundred forty-one thousand, one hundred twenty-one".