Search a number
-
+
133113127 = 719016161
BaseRepresentation
bin1111110111100…
…10010100100111
3100021110211212211
413323302110213
5233034110002
621113024251
73204304630
oct773622447
9307424784
10133113127
1169158954
12386b5087
1321768784
1413970887
15ba45dd7
hex7ef2527

133113127 has 4 divisors (see below), whose sum is σ = 152129296. Its totient is φ = 114096960.

The previous prime is 133113119. The next prime is 133113139. The reversal of 133113127 is 721311331.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 721311331 = 1355485487.

It is a cyclic number.

It is not a de Polignac number, because 133113127 - 23 = 133113119 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 133113098 and 133113107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133113187) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9508074 + ... + 9508087.

It is an arithmetic number, because the mean of its divisors is an integer number (38032324).

Almost surely, 2133113127 is an apocalyptic number.

133113127 is a deficient number, since it is larger than the sum of its proper divisors (19016169).

133113127 is an equidigital number, since it uses as much as digits as its factorization.

133113127 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19016168.

The product of its digits is 378, while the sum is 22.

The square root of 133113127 is about 11537.4662296364. The cubic root of 133113127 is about 510.5915563072.

Adding to 133113127 its reverse (721311331), we get a palindrome (854424458).

The spelling of 133113127 in words is "one hundred thirty-three million, one hundred thirteen thousand, one hundred twenty-seven".

Divisors: 1 7 19016161 133113127