134403481 has 2 divisors, whose sum is σ = 134403482.
Its totient is φ = 134403480.
The previous prime is 134403469. The next prime is 134403517. The reversal of 134403481 is 184304431.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 79049881 + 55353600 = 8891^2 + 7440^2
It is a cyclic number.
It is not a de Polignac number, because 134403481 - 215 = 134370713 is a prime.
It is a super-2 number, since 2×1344034812 = 36128591409834722, which contains 22 as substring.
It is a Chen prime.
It is equal to p7613533 and since 134403481 and 7613533 have the same sum of digits, it is a Honaker prime.
It is not a weakly prime, because it can be changed into another prime (134400481) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67201740 + 67201741.
It is an arithmetic number, because the mean of its divisors is an integer number (67201741).
Almost surely, 2134403481 is an apocalyptic number.
It is an amenable number.
134403481 is a deficient number, since it is larger than the sum of its proper divisors (1).
134403481 is an equidigital number, since it uses as much as digits as its factorization.
134403481 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 4608, while the sum is 28.
The square root of 134403481 is about 11593.2515283677.
The cubic root of 134403481 is about 512.2360882744.
The spelling of 134403481 in words is "one hundred thirty-four million, four hundred three thousand, four hundred eighty-one".