142105934 has 8 divisors (see below), whose sum is σ = 213243408. Its totient is φ = 71024800.

The previous prime is 142105867. The next prime is 142105939. The reversal of 142105934 is 439501241.

142105934 is digitally balanced in base 2, because in such base 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.

It is a junction number, because it is equal to n+sod(n) for n = 142105897 and 142105906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142105939) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7082 + ... + 18285.

It is an arithmetic number, because the mean of its divisors is an integer number (26655426).

Almost surely, 2^142105934 is an apocalyptic number.

142105934 is a deficient number, since it is larger than the sum of its proper divisors (71137474).

142105934 is a wasteful number, since it uses less digits than its factorization.

142105934 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28170.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 142105934 is about 11920.8193510346. The cubic root of 142105934 is about 521.8400468015.

The spelling of 142105934 in words is "one hundred forty-two million, one hundred five thousand, nine hundred thirty-four".