266872142 has 8 divisors (see below), whose sum is σ = 402026976. Its totient is φ = 132863152.

The previous prime is 266872129. The next prime is 266872153. The reversal of 266872142 is 241278662.

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

It is a junction number, because it is equal to n+sod(n) for n = 266872096 and 266872105.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 285878 + ... + 286809.

It is an arithmetic number, because the mean of its divisors is an integer number (50253372).

Almost surely, 2^266872142 is an apocalyptic number.

266872142 is a deficient number, since it is larger than the sum of its proper divisors (135154834).

266872142 is a wasteful number, since it uses less digits than its factorization.

266872142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 572922.

The product of its digits is 64512, while the sum is 38.

The square root of 266872142 is about 16336.2217786121. The cubic root of 266872142 is about 643.8248675047.

The spelling of 266872142 in words is "two hundred sixty-six million, eight hundred seventy-two thousand, one hundred forty-two".