Search a number
-
+
133144117 = 823161779
BaseRepresentation
bin1111110111110…
…01111000110101
3100021112102101121
413323321320311
5233041102432
621113423541
73204464161
oct773717065
9307472347
10133144117
116917a167
123870abb1
1321779902
141397bca1
15ba50197
hex7ef9e35

133144117 has 4 divisors (see below), whose sum is σ = 133306720. Its totient is φ = 132981516.

The previous prime is 133144073. The next prime is 133144129. The reversal of 133144117 is 711441331.

It is a happy number.

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.

It is a cyclic number.

It is not a de Polignac number, because 133144117 - 223 = 124755509 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 133144091 and 133144100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133144147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80067 + ... + 81712.

It is an arithmetic number, because the mean of its divisors is an integer number (33326680).

Almost surely, 2133144117 is an apocalyptic number.

It is an amenable number.

133144117 is a deficient number, since it is larger than the sum of its proper divisors (162603).

133144117 is an equidigital number, since it uses as much as digits as its factorization.

133144117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162602.

The product of its digits is 1008, while the sum is 25.

The square root of 133144117 is about 11538.8091673274. The cubic root of 133144117 is about 510.6311767537.

Adding to 133144117 its reverse (711441331), we get a palindrome (844585448).

The spelling of 133144117 in words is "one hundred thirty-three million, one hundred forty-four thousand, one hundred seventeen".

Divisors: 1 823 161779 133144117