2001308135 has 8 divisors (see below), whose sum is σ = 2401886976. Its totient is φ = 1600835040.

The previous prime is 2001308129. The next prime is 2001308161. The reversal of 2001308135 is 5318031002.

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

It is not a de Polignac number, because 2001308135 - 2²⁶ = 1934199271 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2001308135.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23930 + ... + 67640.

It is an arithmetic number, because the mean of its divisors is an integer number (300235872).

Almost surely, 2^2001308135 is an apocalyptic number.

2001308135 is a deficient number, since it is larger than the sum of its proper divisors (400578841).

2001308135 is an equidigital number, since it uses as much as digits as its factorization.

2001308135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52873.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 2001308135 is about 44735.9825531976. The cubic root of 2001308135 is about 1260.1956811649.

Adding to 2001308135 its reverse (5318031002), we get a palindrome (7319339137).

The spelling of 2001308135 in words is "two billion, one million, three hundred eight thousand, one hundred thirty-five".