6405734135 has 32 divisors (see below), whose sum is σ = 8202332160. Its totient is φ = 4794883200.

The previous prime is 6405734131. The next prime is 6405734161. The reversal of 6405734135 is 5314375046.

It is not a de Polignac number, because 6405734135 - 2² = 6405734131 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6405734131) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 552104 + ... + 563586.

It is an arithmetic number, because the mean of its divisors is an integer number (256322880).

Almost surely, 2^6405734135 is an apocalyptic number.

6405734135 is a deficient number, since it is larger than the sum of its proper divisors (1796598025).

6405734135 is a wasteful number, since it uses less digits than its factorization.

6405734135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11639.

The product of its (nonzero) digits is 151200, while the sum is 38.

The square root of 6405734135 is about 80035.8303199261. The cubic root of 6405734135 is about 1857.1898574482.

The spelling of 6405734135 in words is "six billion, four hundred five million, seven hundred thirty-four thousand, one hundred thirty-five".