135242246571729 has 32 divisors (see below), whose sum is σ = 198791323463040. Its totient is φ = 81100680192000.

The previous prime is 135242246571661. The next prime is 135242246571739. The reversal of 135242246571729 is 927175642242531.

It is not a de Polignac number, because 135242246571729 - 2⁹ = 135242246571217 is a prime.

It is not an unprimeable number, because it can be changed into a prime (135242246571739) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8418837 + ... + 18475965.

It is an arithmetic number, because the mean of its divisors is an integer number (6212228858220).

Almost surely, 2^{135242246571729} is an apocalyptic number.

It is an amenable number.

135242246571729 is a deficient number, since it is larger than the sum of its proper divisors (63549076891311).

135242246571729 is a wasteful number, since it uses less digits than its factorization.

135242246571729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10061441.

The product of its digits is 50803200, while the sum is 60.

The spelling of 135242246571729 in words is "one hundred thirty-five trillion, two hundred forty-two billion, two hundred forty-six million, five hundred seventy-one thousand, seven hundred twenty-nine".