135229247999 has 8 divisors (see below), whose sum is σ = 143237206080. Its totient is φ = 127227211776.

The previous prime is 135229247953. The next prime is 135229248001. The reversal of 135229247999 is 999742922531.

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 135229247999 - 2²⁸ = 134960812543 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135229247299) 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, 1433399 + ... + 1524824.

It is an arithmetic number, because the mean of its divisors is an integer number (17904650760).

Almost surely, 2^135229247999 is an apocalyptic number.

135229247999 is a deficient number, since it is larger than the sum of its proper divisors (8007958081).

135229247999 is a wasteful number, since it uses less digits than its factorization.

135229247999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2960929.

The product of its digits is 22044960, while the sum is 62.

The spelling of 135229247999 in words is "one hundred thirty-five billion, two hundred twenty-nine million, two hundred forty-seven thousand, nine hundred ninety-nine".