135400243323 has 8 divisors (see below), whose sum is σ = 188382947328. Its totient is φ = 86342184104.

The previous prime is 135400243301. The next prime is 135400243387. The reversal of 135400243323 is 323342004531.

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

It is a cyclic number.

It is not a de Polignac number, because 135400243323 - 2³³ = 126810308731 is a prime.

It is not an unprimeable number, because it can be changed into a prime (135400241323) 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, 981161115 + ... + 981161252.

It is an arithmetic number, because the mean of its divisors is an integer number (23547868416).

Almost surely, 2^135400243323 is an apocalyptic number.

135400243323 is a deficient number, since it is larger than the sum of its proper divisors (52982704005).

135400243323 is a wasteful number, since it uses less digits than its factorization.

135400243323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1962322393.

The product of its (nonzero) digits is 25920, while the sum is 30.

Adding to 135400243323 its reverse (323342004531), we get a palindrome (458742247854).

The spelling of 135400243323 in words is "one hundred thirty-five billion, four hundred million, two hundred forty-three thousand, three hundred twenty-three".