134540779 has 2 divisors, whose sum is σ = 134540780. Its totient is φ = 134540778.

The previous prime is 134540761. The next prime is 134540797. The reversal of 134540779 is 977045431.

134540779 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Together with next prime (134540797) it forms an Ormiston pair, because they use the same digits, order apart.

It is a balanced prime because it is at equal distance from previous prime (134540761) and next prime (134540797).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-134540779 is a prime.

It is not a weakly prime, because it can be changed into another prime (134540719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67270389 + 67270390.

It is an arithmetic number, because the mean of its divisors is an integer number (67270390).

Almost surely, 2^134540779 is an apocalyptic number.

134540779 is a deficient number, since it is larger than the sum of its proper divisors (1).

134540779 is an equidigital number, since it uses as much as digits as its factorization.

134540779 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 105840, while the sum is 40.

The square root of 134540779 is about 11599.1714790325. The cubic root of 134540779 is about 512.4104514571.

It can be divided in two parts, 1345 and 40779, that added together give a palindrome (42124).

The spelling of 134540779 in words is "one hundred thirty-four million, five hundred forty thousand, seven hundred seventy-nine".