6135645400 has 24 divisors (see below), whose sum is σ = 14265376020. Its totient is φ = 2454258080.

The previous prime is 6135645379. The next prime is 6135645407. The reversal of 6135645400 is 45465316.

It is a super-2 number, since 2×6135645400² = 75292288949082320000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6135645407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 15338914 + ... + 15339313.

Almost surely, 2^6135645400 is an apocalyptic number.

It is an amenable number.

6135645400 is an abundant number, since it is smaller than the sum of its proper divisors (8129730620).

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

6135645400 is a wasteful number, since it uses less digits than its factorization.

6135645400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30678243 (or 30678234 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 34.

The square root of 6135645400 is about 78330.3606528146. The cubic root of 6135645400 is about 1830.7122353286.

The spelling of 6135645400 in words is "six billion, one hundred thirty-five million, six hundred forty-five thousand, four hundred".