140203133 has 4 divisors (see below), whose sum is σ = 160232160. Its totient is φ = 120174108.

The previous prime is 140203099. The next prime is 140203157. The reversal of 140203133 is 331302041.

It is a happy number.

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 140203133 - 2⁸ = 140202877 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140203183) 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, 10014503 + ... + 10014516.

It is an arithmetic number, because the mean of its divisors is an integer number (40058040).

Almost surely, 2^140203133 is an apocalyptic number.

It is an amenable number.

140203133 is a deficient number, since it is larger than the sum of its proper divisors (20029027).

140203133 is an equidigital number, since it uses as much as digits as its factorization.

140203133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20029026.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 140203133 is about 11840.7403907019. The cubic root of 140203133 is about 519.5004237987.

Adding to 140203133 its reverse (331302041), we get a palindrome (471505174).

The spelling of 140203133 in words is "one hundred forty million, two hundred three thousand, one hundred thirty-three".