140204442 has 16 divisors (see below), whose sum is σ = 320467392. Its totient is φ = 40058400.

The previous prime is 140204429. The next prime is 140204447. The reversal of 140204442 is 244402041.

140204442 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 (21).

It is not an unprimeable number, because it can be changed into a prime (140204447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1669059 + ... + 1669142.

It is an arithmetic number, because the mean of its divisors is an integer number (20029212).

Almost surely, 2^140204442 is an apocalyptic number.

140204442 is an abundant number, since it is smaller than the sum of its proper divisors (180262950).

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

140204442 is a wasteful number, since it uses less digits than its factorization.

140204442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3338213.

The product of its (nonzero) digits is 1024, while the sum is 21.

The square root of 140204442 is about 11840.7956658326. The cubic root of 140204442 is about 519.5020405575.

Adding to 140204442 its reverse (244402041), we get a palindrome (384606483).

The spelling of 140204442 in words is "one hundred forty million, two hundred four thousand, four hundred forty-two".