142220636514 has 64 divisors (see below), whose sum is σ = 348191084160. Its totient is φ = 42670440000.

The previous prime is 142220636501. The next prime is 142220636543. The reversal of 142220636514 is 415636022241.

142220636514 is a `hidden beast` number, since 1 + 4 + 2 + 2 + 2 + 0 + 636 + 5 + 14 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1125297 + ... + 1245284.

It is an arithmetic number, because the mean of its divisors is an integer number (5440485690).

Almost surely, 2^142220636514 is an apocalyptic number.

142220636514 is an abundant number, since it is smaller than the sum of its proper divisors (205970447646).

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

142220636514 is a wasteful number, since it uses less digits than its factorization.

142220636514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2370704 (or 2370698 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

Adding to 142220636514 its reverse (415636022241), we get a palindrome (557856658755).

The spelling of 142220636514 in words is "one hundred forty-two billion, two hundred twenty million, six hundred thirty-six thousand, five hundred fourteen".