135040879 has 2 divisors, whose sum is σ = 135040880. Its totient is φ = 135040878.

The previous prime is 135040853. The next prime is 135040883. The reversal of 135040879 is 978040531.

135040879 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 135040879 - 2¹³ = 135032687 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (135040379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67520439 + 67520440.

It is an arithmetic number, because the mean of its divisors is an integer number (67520440).

Almost surely, 2^135040879 is an apocalyptic number.

135040879 is a deficient number, since it is larger than the sum of its proper divisors (1).

135040879 is an equidigital number, since it uses as much as digits as its factorization.

135040879 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 135040879 is about 11620.7090575403. The cubic root of 135040879 is about 513.0445581158.

The spelling of 135040879 in words is "one hundred thirty-five million, forty thousand, eight hundred seventy-nine".