133440671361 has 32 divisors (see below), whose sum is σ = 188150320512. Its totient is φ = 84021719040.

The previous prime is 133440671341. The next prime is 133440671407. The reversal of 133440671361 is 163176044331.

It is not a de Polignac number, because 133440671361 - 2⁹ = 133440670849 is a prime.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (133440671341) 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, 486021 + ... + 709293.

It is an arithmetic number, because the mean of its divisors is an integer number (5879697516).

Almost surely, 2^133440671361 is an apocalyptic number.

It is an amenable number.

133440671361 is a deficient number, since it is larger than the sum of its proper divisors (54709649151).

133440671361 is a wasteful number, since it uses less digits than its factorization.

133440671361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223473.

The product of its (nonzero) digits is 108864, while the sum is 39.

The spelling of 133440671361 in words is "one hundred thirty-three billion, four hundred forty million, six hundred seventy-one thousand, three hundred sixty-one".