134229881 has 2 divisors, whose sum is σ = 134229882. Its totient is φ = 134229880.

The previous prime is 134229871. The next prime is 134229911. The reversal of 134229881 is 188922431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 116294656 + 17935225 = 10784^2 + 4235^2 .

It is a cyclic number.

It is not a de Polignac number, because 134229881 - 2¹⁸ = 133967737 is a prime.

It is a super-2 number, since 2×134229881² = 36035321906548322, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (134229811) 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, 67114940 + 67114941.

It is an arithmetic number, because the mean of its divisors is an integer number (67114941).

Almost surely, 2^134229881 is an apocalyptic number.

It is an amenable number.

134229881 is a deficient number, since it is larger than the sum of its proper divisors (1).

134229881 is an equidigital number, since it uses as much as digits as its factorization.

134229881 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27648, while the sum is 38.

The square root of 134229881 is about 11585.7619947934. The cubic root of 134229881 is about 512.0154528722.

The spelling of 134229881 in words is "one hundred thirty-four million, two hundred twenty-nine thousand, eight hundred eighty-one".