265138006 has 8 divisors (see below), whose sum is σ = 454522320. Its totient is φ = 113630568.

The previous prime is 265137973. The next prime is 265138007. The reversal of 265138006 is 600831562.

265138006 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 a congruent number.

It is not an unprimeable number, because it can be changed into a prime (265138007) by changing a digit.

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, 9469201 + ... + 9469228.

It is an arithmetic number, because the mean of its divisors is an integer number (56815290).

Almost surely, 2^265138006 is an apocalyptic number.

265138006 is a deficient number, since it is larger than the sum of its proper divisors (189384314).

265138006 is a wasteful number, since it uses less digits than its factorization.

265138006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18938438.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 265138006 is about 16283.0588649676. The cubic root of 265138006 is about 642.4273106863.

Adding to 265138006 its reverse (600831562), we get a palindrome (865969568).

The spelling of 265138006 in words is "two hundred sixty-five million, one hundred thirty-eight thousand, six".