142105130 has 32 divisors (see below), whose sum is σ = 260172864. Its totient is φ = 55875456.

The previous prime is 142105129. The next prime is 142105157. The reversal of 142105130 is 31501241.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 142105099 and 142105108.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 259517 + ... + 260063.

It is an arithmetic number, because the mean of its divisors is an integer number (8130402).

Almost surely, 2^142105130 is an apocalyptic number.

142105130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

142105130 is a deficient number, since it is larger than the sum of its proper divisors (118067734).

142105130 is a wasteful number, since it uses less digits than its factorization.

142105130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 950.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 142105130 is about 11920.7856284726. The cubic root of 142105130 is about 521.8390626526.

Adding to 142105130 its reverse (31501241), we get a palindrome (173606371).

The spelling of 142105130 in words is "one hundred forty-two million, one hundred five thousand, one hundred thirty".