140303142 has 72 divisors (see below), whose sum is σ = 369151536. Its totient is φ = 37718784.

The previous prime is 140303129. The next prime is 140303143. The reversal of 140303142 is 241303041.

140303142 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 (140303143) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 34488 + ... + 38340.

Almost surely, 2^140303142 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 140303142, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (184575768).

140303142 is an abundant number, since it is smaller than the sum of its proper divisors (228848394).

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

140303142 is a wasteful number, since it uses less digits than its factorization.

140303142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3902 (or 3882 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 140303142 is about 11844.9627268303. The cubic root of 140303142 is about 519.6239169245.

Adding to 140303142 its reverse (241303041), we get a palindrome (381606183).

The spelling of 140303142 in words is "one hundred forty million, three hundred three thousand, one hundred forty-two".