140012233 has 4 divisors (see below), whose sum is σ = 140102928. Its totient is φ = 139921540.

The previous prime is 140012149. The next prime is 140012237. The reversal of 140012233 is 332210041.

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, and also an emirpimes, since its reverse is a distinct semiprime: 332210041 = 19 ⋅17484739.

It is a cyclic number.

It is not a de Polignac number, because 140012233 - 2⁹ = 140011721 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140012237) 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, 42991 + ... + 46132.

It is an arithmetic number, because the mean of its divisors is an integer number (35025732).

Almost surely, 2^140012233 is an apocalyptic number.

It is an amenable number.

140012233 is a deficient number, since it is larger than the sum of its proper divisors (90695).

140012233 is an equidigital number, since it uses as much as digits as its factorization.

140012233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90694.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 140012233 is about 11832.6764935073. The cubic root of 140012233 is about 519.2645335019.

Adding to 140012233 its reverse (332210041), we get a palindrome (472222274).

The spelling of 140012233 in words is "one hundred forty million, twelve thousand, two hundred thirty-three".