142319195694 has 192 divisors, whose sum is σ = 349228535040. Its totient is φ = 42704625600.

The previous prime is 142319195693. The next prime is 142319195729. The reversal of 142319195694 is 496591913241.

142319195694 is a `hidden beast` number, since 1 + 42 + 31 + 9 + 1 + 9 + 569 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 142319195694.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142319195693) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 463580289 + ... + 463580595.

It is an arithmetic number, because the mean of its divisors is an integer number (1818898620).

Almost surely, 2^142319195694 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 142319195694, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (174614267520).

142319195694 is an abundant number, since it is smaller than the sum of its proper divisors (206909339346).

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

142319195694 is a wasteful number, since it uses less digits than its factorization.

142319195694 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 604 (or 527 counting only the distinct ones).

The product of its digits is 2099520, while the sum is 54.

The spelling of 142319195694 in words is "one hundred forty-two billion, three hundred nineteen million, one hundred ninety-five thousand, six hundred ninety-four".