135614243 has 4 divisors (see below), whose sum is σ = 139988928. Its totient is φ = 131239560.

The previous prime is 135614239. The next prime is 135614249. The reversal of 135614243 is 342416531.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 342416531 = 809 ⋅423259.

It is a cyclic number.

It is not a de Polignac number, because 135614243 - 2² = 135614239 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135614249) 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, 2187296 + ... + 2187357.

It is an arithmetic number, because the mean of its divisors is an integer number (34997232).

Almost surely, 2^135614243 is an apocalyptic number.

135614243 is a deficient number, since it is larger than the sum of its proper divisors (4374685).

135614243 is an equidigital number, since it uses as much as digits as its factorization.

135614243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4374684.

The product of its digits is 8640, while the sum is 29.

The square root of 135614243 is about 11645.3528499569. The cubic root of 135614243 is about 513.7696371669.

The spelling of 135614243 in words is "one hundred thirty-five million, six hundred fourteen thousand, two hundred forty-three".