265938141 has 24 divisors (see below), whose sum is σ = 417130560. Its totient is φ = 150249792.

The previous prime is 265938137. The next prime is 265938143. The reversal of 265938141 is 141839562.

It is not a de Polignac number, because 265938141 - 2² = 265938137 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 265938141.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (265938143) 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 23 ways as a sum of consecutive naturals, for example, 2920 + ... + 23246.

It is an arithmetic number, because the mean of its divisors is an integer number (17380440).

Almost surely, 2^265938141 is an apocalyptic number.

265938141 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

265938141 is a deficient number, since it is larger than the sum of its proper divisors (151192419).

265938141 is a wasteful number, since it uses less digits than its factorization.

265938141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20433 (or 20426 counting only the distinct ones).

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

The square root of 265938141 is about 16307.6099107135. The cubic root of 265938141 is about 643.0729019763.

The spelling of 265938141 in words is "two hundred sixty-five million, nine hundred thirty-eight thousand, one hundred forty-one".