142271347194 has 24 divisors (see below), whose sum is σ = 313479241920. Its totient is φ = 46619989128.

The previous prime is 142271347177. The next prime is 142271347199. The reversal of 142271347194 is 491743172241.

142271347194 is a `hidden beast` number, since 1 + 4 + 22 + 71 + 3 + 471 + 94 = 666.

It is a super-2 number, since 2×142271347194² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (142271347199) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 66981682 + ... + 66983805.

It is an arithmetic number, because the mean of its divisors is an integer number (13061635080).

Almost surely, 2^142271347194 is an apocalyptic number.

142271347194 is an abundant number, since it is smaller than the sum of its proper divisors (171207894726).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

142271347194 is a wasteful number, since it uses less digits than its factorization.

142271347194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133965554 (or 133965551 counting only the distinct ones).

The product of its digits is 338688, while the sum is 45.

The spelling of 142271347194 in words is "one hundred forty-two billion, two hundred seventy-one million, three hundred forty-seven thousand, one hundred ninety-four".