134770281 has 4 divisors (see below), whose sum is σ = 179693712. Its totient is φ = 89846852.

The previous prime is 134770277. The next prime is 134770313. The reversal of 134770281 is 182077431.

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 134770281 - 2² = 134770277 is a prime.

It is a super-2 number, since 2×134770281² = 36326057281637922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (134770201) 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 in 3 ways as a sum of consecutive naturals, for example, 22461711 + ... + 22461716.

It is an arithmetic number, because the mean of its divisors is an integer number (44923428).

Almost surely, 2^134770281 is an apocalyptic number.

It is an amenable number.

134770281 is a deficient number, since it is larger than the sum of its proper divisors (44923431).

134770281 is an equidigital number, since it uses as much as digits as its factorization.

134770281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44923430.

The product of its (nonzero) digits is 9408, while the sum is 33.

The square root of 134770281 is about 11609.0602978880. The cubic root of 134770281 is about 512.7016454976.

The spelling of 134770281 in words is "one hundred thirty-four million, seven hundred seventy thousand, two hundred eighty-one".