142181587967 has 8 divisors (see below), whose sum is σ = 144195399072. Its totient is φ = 140168089600.

The previous prime is 142181587921. The next prime is 142181587981. The reversal of 142181587967 is 769785181241.

It is a happy number.

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 142181587967 - 2¹² = 142181583871 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142181584967) 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, 928643 + ... + 1070859.

It is an arithmetic number, because the mean of its divisors is an integer number (18024424884).

Almost surely, 2^142181587967 is an apocalyptic number.

142181587967 is a deficient number, since it is larger than the sum of its proper divisors (2013811105).

142181587967 is a wasteful number, since it uses less digits than its factorization.

142181587967 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156369.

The product of its digits is 6773760, while the sum is 59.

The spelling of 142181587967 in words is "one hundred forty-two billion, one hundred eighty-one million, five hundred eighty-seven thousand, nine hundred sixty-seven".