142000539679 has 4 divisors (see below), whose sum is σ = 142292122384. Its totient is φ = 141708956976.

The previous prime is 142000539673. The next prime is 142000539689. The reversal of 142000539679 is 976935000241.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 976935000241 = 490057 ⋅1993513.

It is a cyclic number.

It is not a de Polignac number, because 142000539679 - 2⁹ = 142000539167 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 (142000539673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 145790622 + ... + 145791595.

It is an arithmetic number, because the mean of its divisors is an integer number (35573030596).

Almost surely, 2^142000539679 is an apocalyptic number.

142000539679 is a deficient number, since it is larger than the sum of its proper divisors (291582705).

142000539679 is an equidigital number, since it uses as much as digits as its factorization.

142000539679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291582704.

The product of its (nonzero) digits is 408240, while the sum is 46.

The spelling of 142000539679 in words is "one hundred forty-two billion, five hundred thirty-nine thousand, six hundred seventy-nine".