142394667774 has 8 divisors (see below), whose sum is σ = 284789335560. Its totient is φ = 47464889256.

The previous prime is 142394667773. The next prime is 142394667787. The reversal of 142394667774 is 477766493241.

It is a happy number.

142394667774 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

142394667774 is an admirable number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142394667773) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11866222309 + ... + 11866222320.

It is an arithmetic number, because the mean of its divisors is an integer number (35598666945).

Almost surely, 2^142394667774 is an apocalyptic number.

142394667774 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

142394667774 is a wasteful number, since it uses less digits than its factorization.

142394667774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23732444634.

The product of its digits is 42674688, while the sum is 60.

The spelling of 142394667774 in words is "one hundred forty-two billion, three hundred ninety-four million, six hundred sixty-seven thousand, seven hundred seventy-four".