142539772824120 has 128 divisors (see below), whose sum is σ = 488805101015040. Its totient is φ = 32574032271360.

The previous prime is 142539772824103. The next prime is 142539772824167. The reversal of 142539772824120 is 21428277935241.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12672001 + ... + 21110640.

It is an arithmetic number, because the mean of its divisors is an integer number (3818789851680).

Almost surely, 2^{142539772824120} is an apocalyptic number.

142539772824120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142539772824120 is an abundant number, since it is smaller than the sum of its proper divisors (346265328190920).

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

142539772824120 is a wasteful number, since it uses less digits than its factorization.

142539772824120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33787685 (or 33787681 counting only the distinct ones).

The product of its (nonzero) digits is 13547520, while the sum is 57.

The spelling of 142539772824120 in words is "one hundred forty-two trillion, five hundred thirty-nine billion, seven hundred seventy-two million, eight hundred twenty-four thousand, one hundred twenty".