140208933 has 4 divisors (see below), whose sum is σ = 186945248. Its totient is φ = 93472620.

The previous prime is 140208919. The next prime is 140208967. The reversal of 140208933 is 339802041.

140208933 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 de Polignac number, because none of the positive numbers 2^k-140208933 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 140208933.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140203933) 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, 23368153 + ... + 23368158.

It is an arithmetic number, because the mean of its divisors is an integer number (46736312).

Almost surely, 2^140208933 is an apocalyptic number.

It is an amenable number.

140208933 is a deficient number, since it is larger than the sum of its proper divisors (46736315).

140208933 is an equidigital number, since it uses as much as digits as its factorization.

140208933 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46736314.

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 140208933 is about 11840.9853052860. The cubic root of 140208933 is about 519.5075873593.

It can be divided in two parts, 140208 and 933, that added together give a palindrome (141141).

The spelling of 140208933 in words is "one hundred forty million, two hundred eight thousand, nine hundred thirty-three".