260156 has 12 divisors (see below), whose sum is σ = 490392. Its totient is φ = 120048.

The previous prime is 260137. The next prime is 260171. The reversal of 260156 is 651062.

It is a super-2 number, since 2×260156² = 135362288672, which contains 22 as substring.

It is a zygodrome in base 2.

It is a congruent number.

It is an unprimeable number.

260156 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2450 + ... + 2553.

It is an arithmetic number, because the mean of its divisors is an integer number (40866).

2²⁶⁰¹⁵⁶ is an apocalyptic number.

260156 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

260156 is a deficient number, since it is larger than the sum of its proper divisors (230236).

260156 is a wasteful number, since it uses less digits than its factorization.

260156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5020 (or 5018 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 260156 is about 510.0548990060. The cubic root of 260156 is about 63.8378054450.

The spelling of 260156 in words is "two hundred sixty thousand, one hundred fifty-six".