134281918 has 4 divisors (see below), whose sum is σ = 201422880. Its totient is φ = 67140958.

The previous prime is 134281907. The next prime is 134281921. The reversal of 134281918 is 819182431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 819182431 = 131 ⋅6253301.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33570478 + ... + 33570481.

It is an arithmetic number, because the mean of its divisors is an integer number (50355720).

Almost surely, 2^134281918 is an apocalyptic number.

134281918 is a deficient number, since it is larger than the sum of its proper divisors (67140962).

134281918 is an equidigital number, since it uses as much as digits as its factorization.

134281918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67140961.

The product of its digits is 13824, while the sum is 37.

The square root of 134281918 is about 11588.0075077642. The cubic root of 134281918 is about 512.0816087973.

The spelling of 134281918 in words is "one hundred thirty-four million, two hundred eighty-one thousand, nine hundred eighteen".