142031884191 has 8 divisors (see below), whose sum is σ = 195906047280. Its totient is φ = 91422821952.

The previous prime is 142031884187. The next prime is 142031884193. The reversal of 142031884191 is 191488130241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 142031884191 - 2² = 142031884187 is a prime.

It is a super-2 number, since 2×142031884191² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142031884193) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 816275110 + ... + 816275283.

It is an arithmetic number, because the mean of its divisors is an integer number (24488255910).

Almost surely, 2^142031884191 is an apocalyptic number.

142031884191 is a deficient number, since it is larger than the sum of its proper divisors (53874163089).

142031884191 is a wasteful number, since it uses less digits than its factorization.

142031884191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1632550425.

The product of its (nonzero) digits is 55296, while the sum is 42.

The spelling of 142031884191 in words is "one hundred forty-two billion, thirty-one million, eight hundred eighty-four thousand, one hundred ninety-one".