135679337 has 2 divisors, whose sum is σ = 135679338. Its totient is φ = 135679336.

The previous prime is 135679331. The next prime is 135679339. The reversal of 135679337 is 733976531.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 119486761 + 16192576 = 10931^2 + 4024^2 .

It is an emirp because it is prime and its reverse (733976531) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 135679337 - 2⁶ = 135679273 is a prime.

Together with 135679339, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (135679331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67839668 + 67839669.

It is an arithmetic number, because the mean of its divisors is an integer number (67839669).

Almost surely, 2^135679337 is an apocalyptic number.

It is an amenable number.

135679337 is a deficient number, since it is larger than the sum of its proper divisors (1).

135679337 is an equidigital number, since it uses as much as digits as its factorization.

135679337 is an evil number, because the sum of its binary digits is even.

The product of its digits is 357210, while the sum is 44.

The square root of 135679337 is about 11648.1473634222. The cubic root of 135679337 is about 513.8518261037.

The spelling of 135679337 in words is "one hundred thirty-five million, six hundred seventy-nine thousand, three hundred thirty-seven".