140352401 has 4 divisors (see below), whose sum is σ = 160402752. Its totient is φ = 120302052.

The previous prime is 140352397. The next prime is 140352403. The reversal of 140352401 is 104253041.

140352401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 140352401 - 2² = 140352397 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140352403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10025165 + ... + 10025178.

It is an arithmetic number, because the mean of its divisors is an integer number (40100688).

Almost surely, 2^140352401 is an apocalyptic number.

It is an amenable number.

140352401 is a deficient number, since it is larger than the sum of its proper divisors (20050351).

140352401 is an equidigital number, since it uses as much as digits as its factorization.

140352401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20050350.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 140352401 is about 11847.0418670654. The cubic root of 140352401 is about 519.6847213589.

The spelling of 140352401 in words is "one hundred forty million, three hundred fifty-two thousand, four hundred one".