140210142 has 8 divisors (see below), whose sum is σ = 280420296. Its totient is φ = 46736712.

The previous prime is 140210129. The next prime is 140210149. The reversal of 140210142 is 241012041.

It is a sphenic number, since it is the product of 3 distinct primes.

140210142 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140210149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11684173 + ... + 11684184.

It is an arithmetic number, because the mean of its divisors is an integer number (35052537).

Almost surely, 2^140210142 is an apocalyptic number.

140210142 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

140210142 is a wasteful number, since it uses less digits than its factorization.

140210142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23368362.

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 140210142 is about 11841.0363566708. The cubic root of 140210142 is about 519.5090805663.

Adding to 140210142 its reverse (241012041), we get a palindrome (381222183).

The spelling of 140210142 in words is "one hundred forty million, two hundred ten thousand, one hundred forty-two".