265419138 has 8 divisors (see below), whose sum is σ = 530838288. Its totient is φ = 88473044.

The previous prime is 265419137. The next prime is 265419211. The reversal of 265419138 is 831914562.

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

265419138 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 265419096 and 265419105.

It is not an unprimeable number, because it can be changed into a prime (265419131) 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, 22118256 + ... + 22118267.

It is an arithmetic number, because the mean of its divisors is an integer number (66354786).

Almost surely, 2^265419138 is an apocalyptic number.

265419138 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.

265419138 is a wasteful number, since it uses less digits than its factorization.

265419138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44236528.

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

The square root of 265419138 is about 16291.6892310159. The cubic root of 265419138 is about 642.6542906921.

The spelling of 265419138 in words is "two hundred sixty-five million, four hundred nineteen thousand, one hundred thirty-eight".