142905901431194 has 8 divisors (see below), whose sum is σ = 233846020523808. Its totient is φ = 64957227923260.

The previous prime is 142905901431169. The next prime is 142905901431257. The reversal of 142905901431194 is 491134109509241.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3247861396142 + ... + 3247861396185.

It is an arithmetic number, because the mean of its divisors is an integer number (29230752565476).

Almost surely, 2^{142905901431194} is an apocalyptic number.

142905901431194 is a deficient number, since it is larger than the sum of its proper divisors (90940119092614).

142905901431194 is a wasteful number, since it uses less digits than its factorization.

142905901431194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6495722792340.

The product of its (nonzero) digits is 1399680, while the sum is 53.

The spelling of 142905901431194 in words is "one hundred forty-two trillion, nine hundred five billion, nine hundred one million, four hundred thirty-one thousand, one hundred ninety-four".