135672079 has 2 divisors, whose sum is σ = 135672080. Its totient is φ = 135672078.

The previous prime is 135672077. The next prime is 135672083. The reversal of 135672079 is 970276531.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 135672079 - 2¹ = 135672077 is a prime.

Together with 135672077, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (135672071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67836039 + 67836040.

It is an arithmetic number, because the mean of its divisors is an integer number (67836040).

Almost surely, 2^135672079 is an apocalyptic number.

135672079 is a deficient number, since it is larger than the sum of its proper divisors (1).

135672079 is an equidigital number, since it uses as much as digits as its factorization.

135672079 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 79380, while the sum is 40.

The square root of 135672079 is about 11647.8358075653. The cubic root of 135672079 is about 513.8426633155.

The spelling of 135672079 in words is "one hundred thirty-five million, six hundred seventy-two thousand, seventy-nine".