4140142 has 4 divisors (see below), whose sum is σ = 6210216. Its totient is φ = 2070070.

The previous prime is 4140133. The next prime is 4140173. The reversal of 4140142 is 2410414.

4140142 is nontrivially palindromic in base 9.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1035034 + ... + 1035037.

It is an arithmetic number, because the mean of its divisors is an integer number (1552554).

Almost surely, 2^4140142 is an apocalyptic number.

4140142 is a deficient number, since it is larger than the sum of its proper divisors (2070074).

4140142 is a wasteful number, since it uses less digits than its factorization.

4140142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2070073.

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 4140142 is about 2034.7338892347. The cubic root of 4140142 is about 160.5727131766.

Adding to 4140142 its reverse (2410414), we get a palindrome (6550556).

The spelling of 4140142 in words is "four million, one hundred forty thousand, one hundred forty-two".