133265317273 has 16 divisors (see below), whose sum is σ = 153280117440. Its totient is φ = 114587827200.

The previous prime is 133265317271. The next prime is 133265317309. The reversal of 133265317273 is 372713562331.

It is not a de Polignac number, because 133265317273 - 2¹ = 133265317271 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133265317271) 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, 387768 + ... + 645673.

It is an arithmetic number, because the mean of its divisors is an integer number (9580007340).

Almost surely, 2^133265317273 is an apocalyptic number.

It is an amenable number.

133265317273 is a deficient number, since it is larger than the sum of its proper divisors (20014800167).

133265317273 is a wasteful number, since it uses less digits than its factorization.

133265317273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1034088.

The product of its digits is 476280, while the sum is 43.

The spelling of 133265317273 in words is "one hundred thirty-three billion, two hundred sixty-five million, three hundred seventeen thousand, two hundred seventy-three".