140424001 has 8 divisors (see below), whose sum is σ = 142427520. Its totient is φ = 138426288.

The previous prime is 140423999. The next prime is 140424043. The reversal of 140424001 is 100424041.

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 140424001 - 2¹ = 140423999 is a prime.

It is not an unprimeable number, because it can be changed into a prime (140424091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73875 + ... + 75751.

It is an arithmetic number, because the mean of its divisors is an integer number (17803440).

Almost surely, 2^140424001 is an apocalyptic number.

It is an amenable number.

140424001 is a deficient number, since it is larger than the sum of its proper divisors (2003519).

140424001 is an equidigital number, since it uses as much as digits as its factorization.

140424001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2903.

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 140424001 is about 11850.0633331641. The cubic root of 140424001 is about 519.7730777632.

Adding to 140424001 its reverse (100424041), we get a palindrome (240848042).

The spelling of 140424001 in words is "one hundred forty million, four hundred twenty-four thousand, one".