134242279 has 2 divisors, whose sum is σ = 134242280. Its totient is φ = 134242278.

The previous prime is 134242271. The next prime is 134242309. The reversal of 134242279 is 972242431.

It is a weak prime.

It is an emirp because it is prime and its reverse (972242431) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 134242279 - 2³ = 134242271 is a prime.

It is a super-2 number, since 2×134242279² = 36041978942227682, which contains 22 as substring.

It is a nialpdrome in base 15.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (134242271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67121139 + 67121140.

It is an arithmetic number, because the mean of its divisors is an integer number (67121140).

Almost surely, 2^134242279 is an apocalyptic number.

134242279 is a deficient number, since it is larger than the sum of its proper divisors (1).

134242279 is an equidigital number, since it uses as much as digits as its factorization.

134242279 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 24192, while the sum is 34.

The square root of 134242279 is about 11586.2970357228. The cubic root of 134242279 is about 512.0312163076.

The spelling of 134242279 in words is "one hundred thirty-four million, two hundred forty-two thousand, two hundred seventy-nine".