142042401197 has 4 divisors (see below), whose sum is σ = 142046143296. Its totient is φ = 142038659100.

The previous prime is 142042401191. The next prime is 142042401199. The reversal of 142042401197 is 791104240241.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-142042401197 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 (142042401191) 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, 1813523 + ... + 1890224.

It is an arithmetic number, because the mean of its divisors is an integer number (35511535824).

Almost surely, 2^142042401197 is an apocalyptic number.

It is an amenable number.

142042401197 is a deficient number, since it is larger than the sum of its proper divisors (3742099).

142042401197 is an equidigital number, since it uses as much as digits as its factorization.

142042401197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3742098.

The product of its (nonzero) digits is 16128, while the sum is 35.

The spelling of 142042401197 in words is "one hundred forty-two billion, forty-two million, four hundred one thousand, one hundred ninety-seven".