2135015405 has 16 divisors (see below), whose sum is σ = 2589330240. Its totient is φ = 1689846912.

The previous prime is 2135015387. The next prime is 2135015423. The reversal of 2135015405 is 5045105312.

It is an interprime number because it is at equal distance from previous prime (2135015387) and next prime (2135015423).

It is a cyclic number.

It is not a de Polignac number, because 2135015405 - 2⁸ = 2135015149 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 499166 + ... + 503424.

It is an arithmetic number, because the mean of its divisors is an integer number (161833140).

Almost surely, 2^2135015405 is an apocalyptic number.

It is an amenable number.

2135015405 is a deficient number, since it is larger than the sum of its proper divisors (454314835).

2135015405 is a wasteful number, since it uses less digits than its factorization.

2135015405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5308.

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 2135015405 is about 46206.2269072038. The cubic root of 2135015405 is about 1287.6574285770.

The spelling of 2135015405 in words is "two billion, one hundred thirty-five million, fifteen thousand, four hundred five".