135192079 has 4 divisors (see below), whose sum is σ = 147482280. Its totient is φ = 122901880.

The previous prime is 135192067. The next prime is 135192097. The reversal of 135192079 is 970291531.

135192079 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 970291531 = 11 ⋅88208321.

It is a cyclic number.

It is not a de Polignac number, because 135192079 - 2¹⁹ = 134667791 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135192019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6145084 + ... + 6145105.

It is an arithmetic number, because the mean of its divisors is an integer number (36870570).

Almost surely, 2^135192079 is an apocalyptic number.

135192079 is a deficient number, since it is larger than the sum of its proper divisors (12290201).

135192079 is a wasteful number, since it uses less digits than its factorization.

135192079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12290200.

The product of its (nonzero) digits is 17010, while the sum is 37.

The square root of 135192079 is about 11627.2128646551. The cubic root of 135192079 is about 513.2359653504.

The spelling of 135192079 in words is "one hundred thirty-five million, one hundred ninety-two thousand, seventy-nine".