63540142 has 16 divisors (see below), whose sum is σ = 103564800. Its totient is φ = 29126520.

The previous prime is 63540089. The next prime is 63540143. The reversal of 63540142 is 24104536.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63540143) 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, 25792 + ... + 28147.

It is an arithmetic number, because the mean of its divisors is an integer number (6472800).

Almost surely, 2^63540142 is an apocalyptic number.

63540142 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

63540142 is a deficient number, since it is larger than the sum of its proper divisors (40024658).

63540142 is a wasteful number, since it uses less digits than its factorization.

63540142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53991.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 63540142 is about 7971.2070604144. The cubic root of 63540142 is about 399.0396587067.

Adding to 63540142 its reverse (24104536), we get a palindrome (87644678).

The spelling of 63540142 in words is "sixty-three million, five hundred forty thousand, one hundred forty-two".