134221099 has 2 divisors, whose sum is σ = 134221100. Its totient is φ = 134221098.

The previous prime is 134221097. The next prime is 134221117. The reversal of 134221099 is 990122431.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 134221099 - 2¹ = 134221097 is a prime.

Together with 134221097, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 134221099.

It is not a weakly prime, because it can be changed into another prime (134221097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67110549 + 67110550.

It is an arithmetic number, because the mean of its divisors is an integer number (67110550).

Almost surely, 2^134221099 is an apocalyptic number.

134221099 is a deficient number, since it is larger than the sum of its proper divisors (1).

134221099 is an equidigital number, since it uses as much as digits as its factorization.

134221099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 134221099 is about 11585.3829889219. The cubic root of 134221099 is about 512.0042864123.

The spelling of 134221099 in words is "one hundred thirty-four million, two hundred twenty-one thousand, ninety-nine".