140132142 has 24 divisors (see below), whose sum is σ = 303839640. Its totient is φ = 46676880.

The previous prime is 140132129. The next prime is 140132143. The reversal of 140132142 is 241231041.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140132143) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 41784 + ... + 45012.

It is an arithmetic number, because the mean of its divisors is an integer number (12659985).

Almost surely, 2^140132142 is an apocalyptic number.

140132142 is an abundant number, since it is smaller than the sum of its proper divisors (163707498).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

140132142 is a wasteful number, since it uses less digits than its factorization.

140132142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5648 (or 5645 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 140132142 is about 11837.7422678482. The cubic root of 140132142 is about 519.4127270400.

Adding to 140132142 its reverse (241231041), we get a palindrome (381363183).

The spelling of 140132142 in words is "one hundred forty million, one hundred thirty-two thousand, one hundred forty-two".