66135141333235 has 32 divisors (see below), whose sum is σ = 86372468848512. Its totient is φ = 48321104670720.

The previous prime is 66135141333229. The next prime is 66135141333299. The reversal of 66135141333235 is 53233314153166.

It is a happy number.

It is not a de Polignac number, because 66135141333235 - 2²⁹ = 66134604462323 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20844882 + ... + 23807128.

It is an arithmetic number, because the mean of its divisors is an integer number (2699139651516).

Almost surely, 2^{66135141333235} is an apocalyptic number.

66135141333235 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

66135141333235 is a deficient number, since it is larger than the sum of its proper divisors (20237327515277).

66135141333235 is a wasteful number, since it uses less digits than its factorization.

66135141333235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2965903.

The product of its digits is 1749600, while the sum is 46.

The spelling of 66135141333235 in words is "sixty-six trillion, one hundred thirty-five billion, one hundred forty-one million, three hundred thirty-three thousand, two hundred thirty-five".