133660153505 has 16 divisors (see below), whose sum is σ = 165789103104. Its totient is φ = 103339467840.

The previous prime is 133660153457. The next prime is 133660153513. The reversal of 133660153505 is 505351066331.

It is a happy number.

It is not a de Polignac number, because 133660153505 - 2⁶ = 133660153441 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 465134 + ... + 695463.

It is an arithmetic number, because the mean of its divisors is an integer number (10361818944).

Almost surely, 2^133660153505 is an apocalyptic number.

It is an amenable number.

133660153505 is a deficient number, since it is larger than the sum of its proper divisors (32128949599).

133660153505 is a wasteful number, since it uses less digits than its factorization.

133660153505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1161376.

The product of its (nonzero) digits is 121500, while the sum is 38.

The spelling of 133660153505 in words is "one hundred thirty-three billion, six hundred sixty million, one hundred fifty-three thousand, five hundred five".