260406133 has 8 divisors (see below), whose sum is σ = 285035576. Its totient is φ = 236433600.

The previous prime is 260406131. The next prime is 260406143. The reversal of 260406133 is 331604062.

It can be written as a sum of positive squares in 4 ways, for example, as 8803089 + 251603044 = 2967^2 + 15862^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 260406133 - 2¹ = 260406131 is a prime.

It is a super-2 number, since 2×260406133² = 135622708208027378, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 260406098 and 260406107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (260406131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 163398 + ... + 164983.

It is an arithmetic number, because the mean of its divisors is an integer number (35629447).

Almost surely, 2^260406133 is an apocalyptic number.

It is an amenable number.

260406133 is a deficient number, since it is larger than the sum of its proper divisors (24629443).

260406133 is a wasteful number, since it uses less digits than its factorization.

260406133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328455.

The product of its (nonzero) digits is 2592, while the sum is 25.

The square root of 260406133 is about 16137.1042321725. The cubic root of 260406133 is about 638.5825833605.

The spelling of 260406133 in words is "two hundred sixty million, four hundred six thousand, one hundred thirty-three".