142001386 has 8 divisors (see below), whose sum is σ = 213073920. Its totient is φ = 70976748.

The previous prime is 142001339. The next prime is 142001393. The reversal of 142001386 is 683100241.

142001386 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

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

142001386 is a modest number, since divided by 1386 gives 142 as remainder.

It is a self number, because there is not a number n which added to its sum of digits gives 142001386.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3306 + ... + 17173.

It is an arithmetic number, because the mean of its divisors is an integer number (26634240).

Almost surely, 2^142001386 is an apocalyptic number.

142001386 is a deficient number, since it is larger than the sum of its proper divisors (71072534).

142001386 is a wasteful number, since it uses less digits than its factorization.

142001386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23948.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 142001386 is about 11916.4334429392. The cubic root of 142001386 is about 521.7120420177.

The spelling of 142001386 in words is "one hundred forty-two million, one thousand, three hundred eighty-six".