140403033 has 6 divisors (see below), whose sum is σ = 202804394. Its totient is φ = 93602016.

The previous prime is 140403031. The next prime is 140403071. The reversal of 140403033 is 330304041.

It can be written as a sum of positive squares in only one way, i.e., 139428864 + 974169 = 11808^2 + 987^2 .

It is not a de Polignac number, because 140403033 - 2¹ = 140403031 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 140402997 and 140403015.

It is not an unprimeable number, because it can be changed into a prime (140403031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7800160 + ... + 7800177.

Almost surely, 2^140403033 is an apocalyptic number.

It is an amenable number.

140403033 is a deficient number, since it is larger than the sum of its proper divisors (62401361).

140403033 is a wasteful number, since it uses less digits than its factorization.

140403033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15600343 (or 15600340 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 140403033 is about 11849.1785791252. The cubic root of 140403033 is about 519.7472057748.

Adding to 140403033 its reverse (330304041), we get a palindrome (470707074).

The spelling of 140403033 in words is "one hundred forty million, four hundred three thousand, thirty-three".