264149 has 4 divisors (see below), whose sum is σ = 270336. Its totient is φ = 257964.

The previous prime is 264139. The next prime is 264167. The reversal of 264149 is 941462.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 941462 = 2 ⋅470731.

It is a cyclic number.

It is not a de Polignac number, because 264149 - 2⁴ = 264133 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (264139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3029 + ... + 3114.

It is an arithmetic number, because the mean of its divisors is an integer number (67584).

2²⁶⁴¹⁴⁹ is an apocalyptic number.

It is an amenable number.

264149 is a deficient number, since it is larger than the sum of its proper divisors (6187).

264149 is an equidigital number, since it uses as much as digits as its factorization.

264149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6186.

The product of its digits is 1728, while the sum is 26.

The square root of 264149 is about 513.9542781221. The cubic root of 264149 is about 64.1627530830.

The spelling of 264149 in words is "two hundred sixty-four thousand, one hundred forty-nine".