140430641 has 8 divisors (see below), whose sum is σ = 151402944. Its totient is φ = 129482640.

The previous prime is 140430613. The next prime is 140430671. The reversal of 140430641 is 146034041.

140430641 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 140430641 - 2¹⁴ = 140414257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140430671) 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, 6986 + ... + 18156.

It is an arithmetic number, because the mean of its divisors is an integer number (18925368).

Almost surely, 2^140430641 is an apocalyptic number.

It is an amenable number.

140430641 is a deficient number, since it is larger than the sum of its proper divisors (10972303).

140430641 is a wasteful number, since it uses less digits than its factorization.

140430641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12151.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 140430641 is about 11850.3434971312. The cubic root of 140430641 is about 519.7812701871.

Adding to 140430641 its reverse (146034041), we get a palindrome (286464682).

The spelling of 140430641 in words is "one hundred forty million, four hundred thirty thousand, six hundred forty-one".