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133412239 is a prime number
BaseRepresentation
bin1111111001110…
…11010110001111
3100022001001012001
413330323112033
5233123142424
621123253131
73206661652
oct774732617
9308031161
10133412239
1169342654
123881a1a7
132184196c
1413a0b899
15baa4844
hex7f3b58f

133412239 has 2 divisors, whose sum is σ = 133412240. Its totient is φ = 133412238.

The previous prime is 133412233. The next prime is 133412249. The reversal of 133412239 is 932214331.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 133412239 - 23 = 133412231 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133412231) 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 as a sum of consecutive naturals, namely, 66706119 + 66706120.

It is an arithmetic number, because the mean of its divisors is an integer number (66706120).

Almost surely, 2133412239 is an apocalyptic number.

133412239 is a deficient number, since it is larger than the sum of its proper divisors (1).

133412239 is an equidigital number, since it uses as much as digits as its factorization.

133412239 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3888, while the sum is 28.

The square root of 133412239 is about 11550.4215940372. The cubic root of 133412239 is about 510.9737119836.

It can be divided in two parts, 1334122 and 39, that added together give a triangular number (1334161 = T1633).

The spelling of 133412239 in words is "one hundred thirty-three million, four hundred twelve thousand, two hundred thirty-nine".