36147213637 has 8 divisors (see below), whose sum is σ = 37041704280. Its totient is φ = 35253335040.

The previous prime is 36147213631. The next prime is 36147213649. The reversal of 36147213637 is 73631274163.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2114712196 + 34032501441 = 45986^2 + 184479^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 36147213637 - 2³ = 36147213629 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 36147213593 and 36147213602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36147213631) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32268 + ... + 270805.

It is an arithmetic number, because the mean of its divisors is an integer number (4630213035).

Almost surely, 2^36147213637 is an apocalyptic number.

It is an amenable number.

36147213637 is a deficient number, since it is larger than the sum of its proper divisors (894490643).

36147213637 is a wasteful number, since it uses less digits than its factorization.

36147213637 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306023.

The product of its digits is 381024, while the sum is 43.

The spelling of 36147213637 in words is "thirty-six billion, one hundred forty-seven million, two hundred thirteen thousand, six hundred thirty-seven".