265138194 has 8 divisors (see below), whose sum is σ = 530276400. Its totient is φ = 88379396.

The previous prime is 265138193. The next prime is 265138259. The reversal of 265138194 is 491831562.

265138194 is digitally balanced in base 2, 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.

265138194 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (265138193) 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, 22094844 + ... + 22094855.

It is an arithmetic number, because the mean of its divisors is an integer number (66284550).

Almost surely, 2^265138194 is an apocalyptic number.

265138194 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

265138194 is a wasteful number, since it uses less digits than its factorization.

265138194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44189704.

The product of its digits is 51840, while the sum is 39.

The square root of 265138194 is about 16283.0646378377. The cubic root of 265138194 is about 642.4274625271.

The spelling of 265138194 in words is "two hundred sixty-five million, one hundred thirty-eight thousand, one hundred ninety-four".