133673772277 has 4 divisors (see below), whose sum is σ = 135556501536. Its totient is φ = 131791043020.

The previous prime is 133673772259. The next prime is 133673772283. The reversal of 133673772277 is 772277376331.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 772277376331 = 704569 ⋅1096099.

It is a cyclic number.

It is not a de Polignac number, because 133673772277 - 2³¹ = 131526288629 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 (133673772217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 941364523 + ... + 941364664.

It is an arithmetic number, because the mean of its divisors is an integer number (33889125384).

Almost surely, 2^133673772277 is an apocalyptic number.

It is an amenable number.

133673772277 is a deficient number, since it is larger than the sum of its proper divisors (1882729259).

133673772277 is an equidigital number, since it uses as much as digits as its factorization.

133673772277 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1882729258.

The product of its digits is 10890936, while the sum is 55.

The spelling of 133673772277 in words is "one hundred thirty-three billion, six hundred seventy-three million, seven hundred seventy-two thousand, two hundred seventy-seven".