134339879 has 2 divisors, whose sum is σ = 134339880. Its totient is φ = 134339878.

The previous prime is 134339867. The next prime is 134339897. The reversal of 134339879 is 978933431.

It is a happy number.

Together with next prime (134339897) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 134339879 - 2¹² = 134335783 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (134339809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67169939 + 67169940.

It is an arithmetic number, because the mean of its divisors is an integer number (67169940).

Almost surely, 2^134339879 is an apocalyptic number.

134339879 is a deficient number, since it is larger than the sum of its proper divisors (1).

134339879 is an equidigital number, since it uses as much as digits as its factorization.

134339879 is an evil number, because the sum of its binary digits is even.

The product of its digits is 489888, while the sum is 47.

The square root of 134339879 is about 11590.5081424414. The cubic root of 134339879 is about 512.1552759328.

The spelling of 134339879 in words is "one hundred thirty-four million, three hundred thirty-nine thousand, eight hundred seventy-nine".