140572401 has 4 divisors (see below), whose sum is σ = 187429872. Its totient is φ = 93714932.

The previous prime is 140572387. The next prime is 140572423. The reversal of 140572401 is 104275041.

140572401 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 140572401 - 2⁷ = 140572273 is a prime.

It is a super-3 number, since 3×140572401³ (a number of 25 digits) contains 333 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (140572451) 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, 23428731 + ... + 23428736.

It is an arithmetic number, because the mean of its divisors is an integer number (46857468).

Almost surely, 2^140572401 is an apocalyptic number.

It is an amenable number.

140572401 is a deficient number, since it is larger than the sum of its proper divisors (46857471).

140572401 is an equidigital number, since it uses as much as digits as its factorization.

140572401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46857470.

The product of its (nonzero) digits is 1120, while the sum is 24.

The square root of 140572401 is about 11856.3232496419. The cubic root of 140572401 is about 519.9561119271.

The spelling of 140572401 in words is "one hundred forty million, five hundred seventy-two thousand, four hundred one".