135267679 has 2 divisors, whose sum is σ = 135267680. Its totient is φ = 135267678.

The previous prime is 135267677. The next prime is 135267689. The reversal of 135267679 is 976762531.

It is a weak prime.

It is an emirp because it is prime and its reverse (976762531) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 135267679 - 2¹ = 135267677 is a prime.

Together with 135267677, it forms a pair of twin primes.

It is equal to p_7659784 and since 135267679 and 7659784 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (135267677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67633839 + 67633840.

It is an arithmetic number, because the mean of its divisors is an integer number (67633840).

Almost surely, 2^135267679 is an apocalyptic number.

135267679 is a deficient number, since it is larger than the sum of its proper divisors (1).

135267679 is an equidigital number, since it uses as much as digits as its factorization.

135267679 is an evil number, because the sum of its binary digits is even.

The product of its digits is 476280, while the sum is 46.

The square root of 135267679 is about 11630.4634043532. The cubic root of 135267679 is about 513.3316154531.

The spelling of 135267679 in words is "one hundred thirty-five million, two hundred sixty-seven thousand, six hundred seventy-nine".