133133213091 has 8 divisors (see below), whose sum is σ = 177542825040. Its totient is φ = 88739538272.

The previous prime is 133133213089. The next prime is 133133213107. The reversal of 133133213091 is 190312331331.

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 133133213091 - 2¹ = 133133213089 is a prime.

It is a super-2 number, since 2×133133213091² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (133133215091) 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, 3964776 + ... + 3998213.

It is an arithmetic number, because the mean of its divisors is an integer number (22192853130).

Almost surely, 2^133133213091 is an apocalyptic number.

133133213091 is a deficient number, since it is larger than the sum of its proper divisors (44409611949).

133133213091 is an equidigital number, since it uses as much as digits as its factorization.

133133213091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7968565.

The product of its (nonzero) digits is 4374, while the sum is 30.

The spelling of 133133213091 in words is "one hundred thirty-three billion, one hundred thirty-three million, two hundred thirteen thousand, ninety-one".