142094208709 has 4 divisors (see below), whose sum is σ = 142423894080. Its totient is φ = 141764523340.

The previous prime is 142094208691. The next prime is 142094208719. The reversal of 142094208709 is 907802490241.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 907802490241 = 199 ⋅4561821559.

It is a cyclic number.

It is not a de Polignac number, because 142094208709 - 2¹³ = 142094200517 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 (142094208719) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 164842039 + ... + 164842900.

It is an arithmetic number, because the mean of its divisors is an integer number (35605973520).

Almost surely, 2^142094208709 is an apocalyptic number.

It is an amenable number.

142094208709 is a deficient number, since it is larger than the sum of its proper divisors (329685371).

142094208709 is an equidigital number, since it uses as much as digits as its factorization.

142094208709 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329685370.

The product of its (nonzero) digits is 290304, while the sum is 46.

The spelling of 142094208709 in words is "one hundred forty-two billion, ninety-four million, two hundred eight thousand, seven hundred nine".