264140013 has 8 divisors (see below), whose sum is σ = 360377248. Its totient is φ = 171998064.

The previous prime is 264139987. The next prime is 264140029. The reversal of 264140013 is 310041462.

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

It is not a de Polignac number, because 264140013 - 2⁶ = 264139949 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (264140083) 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, 1023670 + ... + 1023927.

It is an arithmetic number, because the mean of its divisors is an integer number (45047156).

Almost surely, 2^264140013 is an apocalyptic number.

It is an amenable number.

264140013 is a deficient number, since it is larger than the sum of its proper divisors (96237235).

264140013 is a wasteful number, since it uses less digits than its factorization.

264140013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2047643.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 264140013 is about 16252.3848403857. The cubic root of 264140013 is about 641.6202541644.

Adding to 264140013 its reverse (310041462), we get a palindrome (574181475).

The spelling of 264140013 in words is "two hundred sixty-four million, one hundred forty thousand, thirteen".