134111993 has 2 divisors, whose sum is σ = 134111994. Its totient is φ = 134111992.

The previous prime is 134111959. The next prime is 134112001. The reversal of 134111993 is 399111431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 128414224 + 5697769 = 11332^2 + 2387^2 .

It is a cyclic number.

It is not a de Polignac number, because 134111993 - 2¹⁰ = 134110969 is a prime.

It is not a weakly prime, because it can be changed into another prime (134111933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67055996 + 67055997.

It is an arithmetic number, because the mean of its divisors is an integer number (67055997).

Almost surely, 2^134111993 is an apocalyptic number.

It is an amenable number.

134111993 is a deficient number, since it is larger than the sum of its proper divisors (1).

134111993 is an equidigital number, since it uses as much as digits as its factorization.

134111993 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2916, while the sum is 32.

The square root of 134111993 is about 11580.6732533130. The cubic root of 134111993 is about 511.8655156737.

The spelling of 134111993 in words is "one hundred thirty-four million, one hundred eleven thousand, nine hundred ninety-three".