134940791 has 2 divisors, whose sum is σ = 134940792. Its totient is φ = 134940790.

The previous prime is 134940787. The next prime is 134940811. The reversal of 134940791 is 197049431.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 134940791 - 2² = 134940787 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (134940721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67470395 + 67470396.

It is an arithmetic number, because the mean of its divisors is an integer number (67470396).

Almost surely, 2^134940791 is an apocalyptic number.

134940791 is a deficient number, since it is larger than the sum of its proper divisors (1).

134940791 is an equidigital number, since it uses as much as digits as its factorization.

134940791 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27216, while the sum is 38.

The square root of 134940791 is about 11616.4018095106. The cubic root of 134940791 is about 512.9177760244.

The spelling of 134940791 in words is "one hundred thirty-four million, nine hundred forty thousand, seven hundred ninety-one".