32140142 has 4 divisors (see below), whose sum is σ = 48210216. Its totient is φ = 16070070.

The previous prime is 32140139. The next prime is 32140159. The reversal of 32140142 is 24104123.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24104123 = 43 ⋅560561.

It is a self number, because there is not a number n which added to its sum of digits gives 32140142.

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, 8035034 + ... + 8035037.

It is an arithmetic number, because the mean of its divisors is an integer number (12052554).

Almost surely, 2^32140142 is an apocalyptic number.

32140142 is a deficient number, since it is larger than the sum of its proper divisors (16070074).

32140142 is a wasteful number, since it uses less digits than its factorization.

32140142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16070073.

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

The square root of 32140142 is about 5669.2276369890. The cubic root of 32140142 is about 317.9429970476.

Adding to 32140142 its reverse (24104123), we get a palindrome (56244265).

The spelling of 32140142 in words is "thirty-two million, one hundred forty thousand, one hundred forty-two".