142021779763 has 8 divisors (see below), whose sum is σ = 150480965808. Its totient is φ = 133574256384.

The previous prime is 142021779761. The next prime is 142021779769. The reversal of 142021779763 is 367977120241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 142021779763 - 2¹ = 142021779761 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142021779761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2890581 + ... + 2939302.

It is an arithmetic number, because the mean of its divisors is an integer number (18810120726).

Almost surely, 2^142021779763 is an apocalyptic number.

142021779763 is a deficient number, since it is larger than the sum of its proper divisors (8459186045).

142021779763 is a wasteful number, since it uses less digits than its factorization.

142021779763 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5831333.

The product of its (nonzero) digits is 889056, while the sum is 49.

The spelling of 142021779763 in words is "one hundred forty-two billion, twenty-one million, seven hundred seventy-nine thousand, seven hundred sixty-three".