133612056410391 has 48 divisors (see below), whose sum is σ = 220127536137600. Its totient is φ = 77364851604480.

The previous prime is 133612056410381. The next prime is 133612056410423. The reversal of 133612056410391 is 193014650216331.

133612056410391 is a `hidden beast` number, since 1 + 3 + 3 + 61 + 20 + 564 + 1 + 0 + 3 + 9 + 1 = 666.

It is not a de Polignac number, because 133612056410391 - 2¹⁰ = 133612056409367 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133612056410381) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2028216 + ... + 16472333.

It is an arithmetic number, because the mean of its divisors is an integer number (4585990336200).

Almost surely, 2^{133612056410391} is an apocalyptic number.

133612056410391 is a deficient number, since it is larger than the sum of its proper divisors (86515479727209).

133612056410391 is a wasteful number, since it uses less digits than its factorization.

133612056410391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18504216 (or 18504213 counting only the distinct ones).

The product of its (nonzero) digits is 349920, while the sum is 45.

The spelling of 133612056410391 in words is "one hundred thirty-three trillion, six hundred twelve billion, fifty-six million, four hundred ten thousand, three hundred ninety-one".