268278134 has 8 divisors (see below), whose sum is σ = 404190648. Its totient is φ = 133547920.

The previous prime is 268278107. The next prime is 268278137. The reversal of 268278134 is 431872862.

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

It is a Curzon number.

It is a nialpdrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 268278091 and 268278100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268278137) 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, 295007 + ... + 295914.

It is an arithmetic number, because the mean of its divisors is an integer number (50523831).

Almost surely, 2^268278134 is an apocalyptic number.

268278134 is a deficient number, since it is larger than the sum of its proper divisors (135912514).

268278134 is a wasteful number, since it uses less digits than its factorization.

268278134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 591150.

The product of its digits is 129024, while the sum is 41.

The square root of 268278134 is about 16379.1982099247. The cubic root of 268278134 is about 644.9535322973.

The spelling of 268278134 in words is "two hundred sixty-eight million, two hundred seventy-eight thousand, one hundred thirty-four".