142346685138 has 16 divisors (see below), whose sum is σ = 325363851840. Its totient is φ = 40670481456.

The previous prime is 142346685121. The next prime is 142346685209. The reversal of 142346685138 is 831586643241.

It is an unprimeable number.

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, 1694603353 + ... + 1694603436.

It is an arithmetic number, because the mean of its divisors is an integer number (20335240740).

Almost surely, 2^142346685138 is an apocalyptic number.

142346685138 is an abundant number, since it is smaller than the sum of its proper divisors (183017166702).

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

142346685138 is a wasteful number, since it uses less digits than its factorization.

142346685138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3389206801.

The product of its digits is 3317760, while the sum is 51.

The spelling of 142346685138 in words is "one hundred forty-two billion, three hundred forty-six million, six hundred eighty-five thousand, one hundred thirty-eight".