140543401 has 8 divisors (see below), whose sum is σ = 142788800. Its totient is φ = 138315600.

The previous prime is 140543383. The next prime is 140543413. The reversal of 140543401 is 104345041.

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

It is a cyclic number.

It is not a de Polignac number, because 140543401 - 2¹¹ = 140541353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140543101) 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, 12190 + ... + 20728.

It is an arithmetic number, because the mean of its divisors is an integer number (17848600).

Almost surely, 2^140543401 is an apocalyptic number.

It is an amenable number.

140543401 is a deficient number, since it is larger than the sum of its proper divisors (2245399).

140543401 is a wasteful number, since it uses less digits than its factorization.

140543401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8799.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 140543401 is about 11855.1002104579. The cubic root of 140543401 is about 519.9203539259.

Adding to 140543401 its reverse (104345041), we get a palindrome (244888442).

The spelling of 140543401 in words is "one hundred forty million, five hundred forty-three thousand, four hundred one".