6436135452 has 12 divisors (see below), whose sum is σ = 15017649416. Its totient is φ = 2145378480.

The previous prime is 6436135439. The next prime is 6436135457. The reversal of 6436135452 is 2545316346.

It is a tau number, because it is divible by the number of its divisors (12).

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 6436135452.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6436135457) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 268172299 + ... + 268172322.

Almost surely, 2^6436135452 is an apocalyptic number.

It is an amenable number.

6436135452 is an abundant number, since it is smaller than the sum of its proper divisors (8581513964).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6436135452 is a wasteful number, since it uses less digits than its factorization.

6436135452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 536344628 (or 536344626 counting only the distinct ones).

The product of its digits is 259200, while the sum is 39.

The square root of 6436135452 is about 80225.5286800904. The cubic root of 6436135452 is about 1860.1232673537.

The spelling of 6436135452 in words is "six billion, four hundred thirty-six million, one hundred thirty-five thousand, four hundred fifty-two".