142067394 has 48 divisors (see below), whose sum is σ = 352535040. Its totient is φ = 40504320.

The previous prime is 142067381. The next prime is 142067423. The reversal of 142067394 is 493760241.

142067394 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 79887 + ... + 81645.

It is an arithmetic number, because the mean of its divisors is an integer number (7344480).

Almost surely, 2^142067394 is an apocalyptic number.

142067394 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

142067394 is an abundant number, since it is smaller than the sum of its proper divisors (210467646).

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

142067394 is a wasteful number, since it uses less digits than its factorization.

142067394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2415 (or 2412 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 142067394 is about 11919.2027417944. The cubic root of 142067394 is about 521.7928671300.

The spelling of 142067394 in words is "one hundred forty-two million, sixty-seven thousand, three hundred ninety-four".