3636543140 has 12 divisors (see below), whose sum is σ = 7636740636. Its totient is φ = 1454617248.

The previous prime is 3636543137. The next prime is 3636543161. The reversal of 3636543140 is 413456363.

It can be written as a sum of positive squares in 2 ways, for example, as 819905956 + 2816637184 = 28634^2 + 53072^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 3636543140.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90913559 + ... + 90913598.

It is an arithmetic number, because the mean of its divisors is an integer number (636395053).

Almost surely, 2^3636543140 is an apocalyptic number.

It is an amenable number.

3636543140 is an abundant number, since it is smaller than the sum of its proper divisors (4000197496).

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

3636543140 is a wasteful number, since it uses less digits than its factorization.

3636543140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181827166 (or 181827164 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 35.

The square root of 3636543140 is about 60303.7572627113. The cubic root of 3636543140 is about 1537.7872223444.

The spelling of 3636543140 in words is "three billion, six hundred thirty-six million, five hundred forty-three thousand, one hundred forty".