281260128130 has 8 divisors (see below), whose sum is σ = 506268230652. Its totient is φ = 112504051248.

The previous prime is 281260128077. The next prime is 281260128143. The reversal of 281260128130 is 31821062182.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 273584440809 + 7675687321 = 523053^2 + 87611^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 14063006397 + ... + 14063006416.

Almost surely, 2^281260128130 is an apocalyptic number.

281260128130 is a deficient number, since it is larger than the sum of its proper divisors (225008102522).

281260128130 is a wasteful number, since it uses less digits than its factorization.

281260128130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28126012820.

The product of its (nonzero) digits is 9216, while the sum is 34.

The spelling of 281260128130 in words is "two hundred eighty-one billion, two hundred sixty million, one hundred twenty-eight thousand, one hundred thirty".