134321100091 has 2 divisors, whose sum is σ = 134321100092. Its totient is φ = 134321100090.

The previous prime is 134321100071. The next prime is 134321100097. The reversal of 134321100091 is 190001123431.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-134321100091 is a prime.

It is not a weakly prime, because it can be changed into another prime (134321100097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67160550045 + 67160550046.

It is an arithmetic number, because the mean of its divisors is an integer number (67160550046).

Almost surely, 2^134321100091 is an apocalyptic number.

134321100091 is a deficient number, since it is larger than the sum of its proper divisors (1).

134321100091 is an equidigital number, since it uses as much as digits as its factorization.

134321100091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 25.

The spelling of 134321100091 in words is "one hundred thirty-four billion, three hundred twenty-one million, one hundred thousand, ninety-one".