7147775133 has 6 divisors (see below), whose sum is σ = 10324564094. Its totient is φ = 4765183416.

The previous prime is 7147775081. The next prime is 7147775179. The reversal of 7147775133 is 3315777417.

It can be written as a sum of positive squares in only one way, i.e., 5806897209 + 1340877924 = 76203^2 + 36618^2 .

It is not a de Polignac number, because 7147775133 - 2²⁴ = 7130997917 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7147775333) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 397098610 + ... + 397098627.

Almost surely, 2^7147775133 is an apocalyptic number.

It is an amenable number.

7147775133 is a deficient number, since it is larger than the sum of its proper divisors (3176788961).

7147775133 is a wasteful number, since it uses less digits than its factorization.

7147775133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 794197243 (or 794197240 counting only the distinct ones).

The product of its digits is 432180, while the sum is 45.

The square root of 7147775133 is about 84544.5156884821. The cubic root of 7147775133 is about 1926.2986802376.

The spelling of 7147775133 in words is "seven billion, one hundred forty-seven million, seven hundred seventy-five thousand, one hundred thirty-three".