134550281 has 4 divisors (see below), whose sum is σ = 135882564. Its totient is φ = 133218000.

The previous prime is 134550263. The next prime is 134550287. The reversal of 134550281 is 182055431.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 123765625 + 10784656 = 11125^2 + 3284^2 .

It is a cyclic number.

It is not a de Polignac number, because 134550281 - 2¹⁰ = 134549257 is a prime.

It is a super-2 number, since 2×134550281² = 36207556234357922, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (134550287) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 665990 + ... + 666191.

It is an arithmetic number, because the mean of its divisors is an integer number (33970641).

Almost surely, 2^134550281 is an apocalyptic number.

It is an amenable number.

134550281 is a deficient number, since it is larger than the sum of its proper divisors (1332283).

134550281 is a wasteful number, since it uses less digits than its factorization.

134550281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1332282.

The product of its (nonzero) digits is 4800, while the sum is 29.

The square root of 134550281 is about 11599.5810700215. The cubic root of 134550281 is about 512.4225142422.

The spelling of 134550281 in words is "one hundred thirty-four million, five hundred fifty thousand, two hundred eighty-one".