140473401 has 4 divisors (see below), whose sum is σ = 187297872. Its totient is φ = 93648932.

The previous prime is 140473391. The next prime is 140473451. The reversal of 140473401 is 104374041.

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, and also an emirpimes, since its reverse is a distinct semiprime: 104374041 = 3 ⋅34791347.

It is a cyclic number.

It is not a de Polignac number, because 140473401 - 2⁷ = 140473273 is a prime.

It is not an unprimeable number, because it can be changed into a prime (140473451) 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, 23412231 + ... + 23412236.

It is an arithmetic number, because the mean of its divisors is an integer number (46824468).

Almost surely, 2^140473401 is an apocalyptic number.

It is an amenable number.

140473401 is a deficient number, since it is larger than the sum of its proper divisors (46824471).

140473401 is an equidigital number, since it uses as much as digits as its factorization.

140473401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46824470.

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 140473401 is about 11852.1475269252. The cubic root of 140473401 is about 519.8340212379.

The spelling of 140473401 in words is "one hundred forty million, four hundred seventy-three thousand, four hundred one".