142883091691 has 4 divisors (see below), whose sum is σ = 143250400800. Its totient is φ = 142515782584.

The previous prime is 142883091683. The next prime is 142883091713. The reversal of 142883091691 is 196190388241.

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 142883091691 - 2³ = 142883091683 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142883091601) 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, 183653971 + ... + 183654748.

It is an arithmetic number, because the mean of its divisors is an integer number (35812600200).

Almost surely, 2^142883091691 is an apocalyptic number.

142883091691 is a deficient number, since it is larger than the sum of its proper divisors (367309109).

142883091691 is an equidigital number, since it uses as much as digits as its factorization.

142883091691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 367309108.

The product of its (nonzero) digits is 746496, while the sum is 52.

The spelling of 142883091691 in words is "one hundred forty-two billion, eight hundred eighty-three million, ninety-one thousand, six hundred ninety-one".