265116128 has 12 divisors (see below), whose sum is σ = 521947440. Its totient is φ = 132558048.

The previous prime is 265116079. The next prime is 265116133. The reversal of 265116128 is 821611562.

It is a super-2 number, since 2×265116128² = 140573122651424768, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (32), and also a Moran number because the ratio is a prime number: 8284879 = 265116128 / (2 + 6 + 5 + 1 + 1 + 6 + 1 + 2 + 8).

It is a junction number, because it is equal to n+sod(n) for n = 265116094 and 265116103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4142408 + ... + 4142471.

It is an arithmetic number, because the mean of its divisors is an integer number (43495620).

Almost surely, 2^265116128 is an apocalyptic number.

It is an amenable number.

265116128 is a deficient number, since it is larger than the sum of its proper divisors (256831312).

265116128 is an equidigital number, since it uses as much as digits as its factorization.

265116128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8284889 (or 8284881 counting only the distinct ones).

The product of its digits is 5760, while the sum is 32.

The square root of 265116128 is about 16282.3870485872. The cubic root of 265116128 is about 642.4096401261.

The spelling of 265116128 in words is "two hundred sixty-five million, one hundred sixteen thousand, one hundred twenty-eight".