142821620876 has 24 divisors (see below), whose sum is σ = 273629800080. Its totient is φ = 64687884800.

The previous prime is 142821620737. The next prime is 142821620917. The reversal of 142821620876 is 678026128241.

It is a self number, because there is not a number n which added to its sum of digits gives 142821620876.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5763341 + ... + 5788068.

It is an arithmetic number, because the mean of its divisors is an integer number (11401241670).

Almost surely, 2^142821620876 is an apocalyptic number.

It is an amenable number.

142821620876 is a deficient number, since it is larger than the sum of its proper divisors (130808179204).

142821620876 is a wasteful number, since it uses less digits than its factorization.

142821620876 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11551705 (or 11551703 counting only the distinct ones).

The product of its (nonzero) digits is 516096, while the sum is 47.

The spelling of 142821620876 in words is "one hundred forty-two billion, eight hundred twenty-one million, six hundred twenty thousand, eight hundred seventy-six".