260134728 has 48 divisors (see below), whose sum is σ = 756517680. Its totient is φ = 74323872.

The previous prime is 260134687. The next prime is 260134751. The reversal of 260134728 is 827431062.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 109426 + ... + 111777.

It is an arithmetic number, because the mean of its divisors is an integer number (15760785).

Almost surely, 2^260134728 is an apocalyptic number.

260134728 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

260134728 is an abundant number, since it is smaller than the sum of its proper divisors (496382952).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

260134728 is a wasteful number, since it uses less digits than its factorization.

260134728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221226 (or 221215 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 33.

The square root of 260134728 is about 16128.6926934578. The cubic root of 260134728 is about 638.3606547004.

The spelling of 260134728 in words is "two hundred sixty million, one hundred thirty-four thousand, seven hundred twenty-eight".