265741139 has 2 divisors, whose sum is σ = 265741140. Its totient is φ = 265741138.

The previous prime is 265741117. The next prime is 265741159. The reversal of 265741139 is 931147562.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 265741139 - 2¹⁶ = 265675603 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (265741109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132870569 + 132870570.

It is an arithmetic number, because the mean of its divisors is an integer number (132870570).

Almost surely, 2^265741139 is an apocalyptic number.

265741139 is a deficient number, since it is larger than the sum of its proper divisors (1).

265741139 is an equidigital number, since it uses as much as digits as its factorization.

265741139 is an evil number, because the sum of its binary digits is even.

The product of its digits is 45360, while the sum is 38.

The square root of 265741139 is about 16301.5686055054. The cubic root of 265741139 is about 642.9140706247.

The spelling of 265741139 in words is "two hundred sixty-five million, seven hundred forty-one thousand, one hundred thirty-nine".