135023807 has 4 divisors (see below), whose sum is σ = 137571480. Its totient is φ = 132476136.

The previous prime is 135023803. The next prime is 135023839. The reversal of 135023807 is 708320531.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 708320531 = 307 ⋅2307233.

It is a cyclic number.

It is not a de Polignac number, because 135023807 - 2² = 135023803 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 135023807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135023803) 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 in 3 ways as a sum of consecutive naturals, for example, 1273757 + ... + 1273862.

It is an arithmetic number, because the mean of its divisors is an integer number (34392870).

Almost surely, 2^135023807 is an apocalyptic number.

135023807 is a deficient number, since it is larger than the sum of its proper divisors (2547673).

135023807 is an equidigital number, since it uses as much as digits as its factorization.

135023807 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2547672.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 135023807 is about 11619.9744836209. The cubic root of 135023807 is about 513.0229373397.

The spelling of 135023807 in words is "one hundred thirty-five million, twenty-three thousand, eight hundred seven".