2135493839 has 8 divisors (see below), whose sum is σ = 2143260000. Its totient is φ = 2127741952.

The previous prime is 2135493817. The next prime is 2135493853. The reversal of 2135493839 is 9383945312.

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 2135493839 - 2⁸ = 2135493583 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2135493793 and 2135493802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2135493859) 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, 360302 + ... + 366180.

It is an arithmetic number, because the mean of its divisors is an integer number (267907500).

Almost surely, 2^2135493839 is an apocalyptic number.

2135493839 is a deficient number, since it is larger than the sum of its proper divisors (7766161).

2135493839 is an equidigital number, since it uses as much as digits as its factorization.

2135493839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7137.

The product of its digits is 699840, while the sum is 47.

The square root of 2135493839 is about 46211.4037765571. The cubic root of 2135493839 is about 1287.7536047890.

The spelling of 2135493839 in words is "two billion, one hundred thirty-five million, four hundred ninety-three thousand, eight hundred thirty-nine".