135430243 has 8 divisors (see below), whose sum is σ = 146493648. Its totient is φ = 124459104.

The previous prime is 135430231. The next prime is 135430277. The reversal of 135430243 is 342034531.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-135430243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135430543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19996 + ... + 25897.

It is an arithmetic number, because the mean of its divisors is an integer number (18311706).

Almost surely, 2^135430243 is an apocalyptic number.

135430243 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

135430243 is a deficient number, since it is larger than the sum of its proper divisors (11063405).

135430243 is a wasteful number, since it uses less digits than its factorization.

135430243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46133.

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 135430243 is about 11637.4500213750. The cubic root of 135430243 is about 513.5371728931.

Adding to 135430243 its reverse (342034531), we get a palindrome (477464774).

The spelling of 135430243 in words is "one hundred thirty-five million, four hundred thirty thousand, two hundred forty-three".