142002121434 has 8 divisors (see below), whose sum is σ = 284004242880. Its totient is φ = 47334040476.

The previous prime is 142002121411. The next prime is 142002121441. The reversal of 142002121434 is 434121200241.

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

142002121434 is an admirable number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11833510114 + ... + 11833510125.

It is an arithmetic number, because the mean of its divisors is an integer number (35500530360).

Almost surely, 2^142002121434 is an apocalyptic number.

142002121434 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.

142002121434 is a wasteful number, since it uses less digits than its factorization.

142002121434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23667020244.

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 142002121434 its reverse (434121200241), we get a palindrome (576123321675).

The spelling of 142002121434 in words is "one hundred forty-two billion, two million, one hundred twenty-one thousand, four hundred thirty-four".