134940811 has 2 divisors, whose sum is σ = 134940812. Its totient is φ = 134940810.

The previous prime is 134940791. The next prime is 134940823. The reversal of 134940811 is 118049431.

It is a strong prime.

It is an emirp because it is prime and its reverse (118049431) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 134940811 - 2⁵ = 134940779 is a prime.

It is not a weakly prime, because it can be changed into another prime (134940851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67470405 + 67470406.

It is an arithmetic number, because the mean of its divisors is an integer number (67470406).

Almost surely, 2^134940811 is an apocalyptic number.

134940811 is a deficient number, since it is larger than the sum of its proper divisors (1).

134940811 is an equidigital number, since it uses as much as digits as its factorization.

134940811 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 31.

The square root of 134940811 is about 11616.4026703623. The cubic root of 134940811 is about 512.9178013648.

The spelling of 134940811 in words is "one hundred thirty-four million, nine hundred forty thousand, eight hundred eleven".