140443134 has 16 divisors (see below), whose sum is σ = 302493072. Its totient is φ = 43213248.

The previous prime is 140443123. The next prime is 140443139. The reversal of 140443134 is 431344041.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140443139) 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, 900199 + ... + 900354.

It is an arithmetic number, because the mean of its divisors is an integer number (18905817).

Almost surely, 2^140443134 is an apocalyptic number.

140443134 is an abundant number, since it is smaller than the sum of its proper divisors (162049938).

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

140443134 is a wasteful number, since it uses less digits than its factorization.

140443134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1800571.

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 140443134 is about 11850.8706009305. The cubic root of 140443134 is about 519.7966833354.

Adding to 140443134 its reverse (431344041), we get a palindrome (571787175).

The spelling of 140443134 in words is "one hundred forty million, four hundred forty-three thousand, one hundred thirty-four".