264947138 has 8 divisors (see below), whose sum is σ = 397634832. Its totient is φ = 132402196.

The previous prime is 264947129. The next prime is 264947171. The reversal of 264947138 is 831749462.

264947138 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

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, 30920 + ... + 38547.

It is an arithmetic number, because the mean of its divisors is an integer number (49704354).

Almost surely, 2^264947138 is an apocalyptic number.

264947138 is a deficient number, since it is larger than the sum of its proper divisors (132687694).

264947138 is a wasteful number, since it uses less digits than its factorization.

264947138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71376.

The product of its digits is 290304, while the sum is 44.

The square root of 264947138 is about 16277.1968716975. The cubic root of 264947138 is about 642.2731164571.

The spelling of 264947138 in words is "two hundred sixty-four million, nine hundred forty-seven thousand, one hundred thirty-eight".