3633187138 has 16 divisors (see below), whose sum is σ = 6360839424. Its totient is φ = 1523950560.

The previous prime is 3633187127. The next prime is 3633187189. The reversal of 3633187138 is 8317813363.

It is a junction number, because it is equal to n+sod(n) for n = 3633187094 and 3633187103.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2760123 + ... + 2761438.

It is an arithmetic number, because the mean of its divisors is an integer number (397552464).

Almost surely, 2^3633187138 is an apocalyptic number.

3633187138 is a deficient number, since it is larger than the sum of its proper divisors (2727652286).

3633187138 is a wasteful number, since it uses less digits than its factorization.

3633187138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5521617.

The product of its digits is 217728, while the sum is 43.

The square root of 3633187138 is about 60275.9250281570. The cubic root of 3633187138 is about 1537.3140252108.

The spelling of 3633187138 in words is "three billion, six hundred thirty-three million, one hundred eighty-seven thousand, one hundred thirty-eight".