63954142 has 16 divisors (see below), whose sum is σ = 110702592. Its totient is φ = 27142200.

The previous prime is 63954139. The next prime is 63954151. The reversal of 63954142 is 24145936.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 63954098 and 63954107.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 20734 + ... + 23617.

It is an arithmetic number, because the mean of its divisors is an integer number (6918912).

Almost surely, 2^63954142 is an apocalyptic number.

63954142 is a deficient number, since it is larger than the sum of its proper divisors (46748450).

63954142 is a wasteful number, since it uses less digits than its factorization.

63954142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44463.

The product of its digits is 25920, while the sum is 34.

The square root of 63954142 is about 7997.1333613989. The cubic root of 63954142 is about 399.9044396724.

The spelling of 63954142 in words is "sixty-three million, nine hundred fifty-four thousand, one hundred forty-two".