135868050843 has 16 divisors (see below), whose sum is σ = 207419740416. Its totient is φ = 77495369760.

The previous prime is 135868050841. The next prime is 135868050853. The reversal of 135868050843 is 348050868531.

It is a happy number.

It is not a de Polignac number, because 135868050843 - 2¹ = 135868050841 is a prime.

It is not an unprimeable number, because it can be changed into a prime (135868050841) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5968221 + ... + 5990942.

It is an arithmetic number, because the mean of its divisors is an integer number (12963733776).

Almost surely, 2^135868050843 is an apocalyptic number.

135868050843 is a deficient number, since it is larger than the sum of its proper divisors (71551689573).

135868050843 is a wasteful number, since it uses less digits than its factorization.

135868050843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11959714.

The product of its (nonzero) digits is 2764800, while the sum is 51.

The spelling of 135868050843 in words is "one hundred thirty-five billion, eight hundred sixty-eight million, fifty thousand, eight hundred forty-three".