142186611107 has 4 divisors (see below), whose sum is σ = 142188718896. Its totient is φ = 142184503320.

The previous prime is 142186611103. The next prime is 142186611109. The reversal of 142186611107 is 701116681241.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 142186611107 - 2² = 142186611103 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142186611103) 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, 949244 + ... + 1088777.

It is an arithmetic number, because the mean of its divisors is an integer number (35547179724).

Almost surely, 2^142186611107 is an apocalyptic number.

142186611107 is a deficient number, since it is larger than the sum of its proper divisors (2107789).

142186611107 is an equidigital number, since it uses as much as digits as its factorization.

142186611107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2107788.

The product of its (nonzero) digits is 16128, while the sum is 38.

The spelling of 142186611107 in words is "one hundred forty-two billion, one hundred eighty-six million, six hundred eleven thousand, one hundred seven".