3631200138 has 32 divisors (see below), whose sum is σ = 8127403200. Its totient is φ = 1201689648.

The previous prime is 3631200121. The next prime is 3631200173. The reversal of 3631200138 is 8310021363.

It is a happy number.

3631200138 is a `hidden beast` number, since 3 + 631 + 20 + 0 + 1 + 3 + 8 = 666.

It is a super-2 number, since 2×3631200138² = 26371228884422438088, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 234381 + ... + 249392.

It is an arithmetic number, because the mean of its divisors is an integer number (253981350).

Almost surely, 2^3631200138 is an apocalyptic number.

3631200138 is an abundant number, since it is smaller than the sum of its proper divisors (4496203062).

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

3631200138 is a wasteful number, since it uses less digits than its factorization.

3631200138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 483923 (or 483917 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 3631200138 is about 60259.4402396836. The cubic root of 3631200138 is about 1537.0337203540.

The spelling of 3631200138 in words is "three billion, six hundred thirty-one million, two hundred thousand, one hundred thirty-eight".