264389137 has 8 divisors (see below), whose sum is σ = 268489760. Its totient is φ = 260301600.

The previous prime is 264389107. The next prime is 264389141. The reversal of 264389137 is 731983462.

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

It is a cyclic number.

It is not a de Polignac number, because 264389137 - 2¹⁵ = 264356369 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 264389093 and 264389102.

It is not an unprimeable number, because it can be changed into a prime (264389107) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 42262 + ... + 48112.

It is an arithmetic number, because the mean of its divisors is an integer number (33561220).

Almost surely, 2^264389137 is an apocalyptic number.

It is an amenable number.

264389137 is a deficient number, since it is larger than the sum of its proper divisors (4100623).

264389137 is an equidigital number, since it uses as much as digits as its factorization.

264389137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6543.

The product of its digits is 217728, while the sum is 43.

The square root of 264389137 is about 16260.0472631539. The cubic root of 264389137 is about 641.8219057767.

The spelling of 264389137 in words is "two hundred sixty-four million, three hundred eighty-nine thousand, one hundred thirty-seven".