265152765139 has 16 divisors (see below), whose sum is σ = 278350862400. Its totient is φ = 252094560256.

The previous prime is 265152765103. The next prime is 265152765247. The reversal of 265152765139 is 931567251562.

It is a cyclic number.

It is not a de Polignac number, because 265152765139 - 2⁹ = 265152764627 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (265152765439) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25177827 + ... + 25188355.

It is an arithmetic number, because the mean of its divisors is an integer number (17396928900).

Almost surely, 2^265152765139 is an apocalyptic number.

265152765139 is a deficient number, since it is larger than the sum of its proper divisors (13198097261).

265152765139 is a wasteful number, since it uses less digits than its factorization.

265152765139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17054.

The product of its digits is 3402000, while the sum is 52.

The spelling of 265152765139 in words is "two hundred sixty-five billion, one hundred fifty-two million, seven hundred sixty-five thousand, one hundred thirty-nine".