133001010091 has 8 divisors (see below), whose sum is σ = 133448129568. Its totient is φ = 132554016000.

The previous prime is 133001010067. The next prime is 133001010119. The reversal of 133001010091 is 190010100331.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 133001010091 - 2¹⁹ = 133000485803 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133001910091) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2411281 + ... + 2465821.

It is an arithmetic number, because the mean of its divisors is an integer number (16681016196).

Almost surely, 2^133001010091 is an apocalyptic number.

133001010091 is a deficient number, since it is larger than the sum of its proper divisors (447119477).

133001010091 is an equidigital number, since it uses as much as digits as its factorization.

133001010091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62693.

The product of its (nonzero) digits is 81, while the sum is 19.

The spelling of 133001010091 in words is "one hundred thirty-three billion, one million, ten thousand, ninety-one".