135864395 has 4 divisors (see below), whose sum is σ = 163037280. Its totient is φ = 108691512.

The previous prime is 135864373. The next prime is 135864419. The reversal of 135864395 is 593468531.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 593468531 = 877 ⋅676703.

It is a cyclic number.

It is not a de Polignac number, because 135864395 - 2⁸ = 135864139 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13586435 + ... + 13586444.

It is an arithmetic number, because the mean of its divisors is an integer number (40759320).

Almost surely, 2^135864395 is an apocalyptic number.

135864395 is a deficient number, since it is larger than the sum of its proper divisors (27172885).

135864395 is an equidigital number, since it uses as much as digits as its factorization.

135864395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27172884.

The product of its digits is 388800, while the sum is 44.

The square root of 135864395 is about 11656.0883232755. The cubic root of 135864395 is about 514.0853403900.

The spelling of 135864395 in words is "one hundred thirty-five million, eight hundred sixty-four thousand, three hundred ninety-five".