142121068682898 has 16 divisors (see below), whose sum is σ = 284242714666560. Its totient is φ = 47373593344176.

The previous prime is 142121068682897. The next prime is 142121068682927. The reversal of 142121068682898 is 898286860121241.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (142121068682897) 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, 20820390 + ... + 26790497.

It is an arithmetic number, because the mean of its divisors is an integer number (17765169666660).

Almost surely, 2^{142121068682898} is an apocalyptic number.

142121068682898 is an abundant number, since it is smaller than the sum of its proper divisors (142121645983662).

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

142121068682898 is a wasteful number, since it uses less digits than its factorization.

142121068682898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48108401.

The product of its (nonzero) digits is 42467328, while the sum is 66.

The spelling of 142121068682898 in words is "one hundred forty-two trillion, one hundred twenty-one billion, sixty-eight million, six hundred eighty-two thousand, eight hundred ninety-eight".