142042130 has 32 divisors (see below), whose sum is σ = 259397424. Its totient is φ = 55996416.

The previous prime is 142042129. The next prime is 142042141. The reversal of 142042130 is 31240241.

It can be written as a sum of positive squares in 8 ways, for example, as 11648569 + 130393561 = 3413^2 + 11419^2 .

It is a junction number, because it is equal to n+sod(n) for n = 142042099 and 142042108.

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, 380624 + ... + 380996.

Almost surely, 2^142042130 is an apocalyptic number.

142042130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

142042130 is a deficient number, since it is larger than the sum of its proper divisors (117355294).

142042130 is a wasteful number, since it uses less digits than its factorization.

142042130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 830.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 142042130 is about 11918.1428922463. The cubic root of 142042130 is about 521.7619349644.

Adding to 142042130 its reverse (31240241), we get a palindrome (173282371).

The spelling of 142042130 in words is "one hundred forty-two million, forty-two thousand, one hundred thirty".