140543404 has 12 divisors (see below), whose sum is σ = 246209544. Its totient is φ = 70197824.

The previous prime is 140543383. The next prime is 140543413. The reversal of 140543404 is 404345041.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14074 + ... + 21889.

It is an arithmetic number, because the mean of its divisors is an integer number (20517462).

Almost surely, 2^140543404 is an apocalyptic number.

It is an amenable number.

140543404 is a deficient number, since it is larger than the sum of its proper divisors (105666140).

140543404 is a wasteful number, since it uses less digits than its factorization.

140543404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36944 (or 36942 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 140543404 is about 11855.1003369858. The cubic root of 140543404 is about 519.9203576252.

Adding to 140543404 its reverse (404345041), we get a palindrome (544888445).

The spelling of 140543404 in words is "one hundred forty million, five hundred forty-three thousand, four hundred four".