63137990 has 32 divisors (see below), whose sum is σ = 119218176. Its totient is φ = 24029280.

The previous prime is 63137981. The next prime is 63138001. The reversal of 63137990 is 9973136.

63137990 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50675 + ... + 51905.

It is an arithmetic number, because the mean of its divisors is an integer number (3725568).

Almost surely, 2^63137990 is an apocalyptic number.

63137990 is a deficient number, since it is larger than the sum of its proper divisors (56080186).

63137990 is a wasteful number, since it uses less digits than its factorization.

63137990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1484.

The product of its (nonzero) digits is 30618, while the sum is 38.

The square root of 63137990 is about 7945.9417314753. The cubic root of 63137990 is about 398.1960222245.

The spelling of 63137990 in words is "sixty-three million, one hundred thirty-seven thousand, nine hundred ninety".