140232133 has 4 divisors (see below), whose sum is σ = 148481100. Its totient is φ = 131983168.

The previous prime is 140232119. The next prime is 140232143. The reversal of 140232133 is 331232041.

140232133 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.

It can be written as a sum of positive squares in 2 ways, for example, as 116251524 + 23980609 = 10782^2 + 4897^2 .

It is a cyclic number.

It is not a de Polignac number, because 140232133 - 2⁵ = 140232101 is a prime.

It is a super-2 number, since 2×140232133² = 39330102251459378, which contains 22 as substring.

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 140232133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140232143) 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, 4124458 + ... + 4124491.

It is an arithmetic number, because the mean of its divisors is an integer number (37120275).

Almost surely, 2^140232133 is an apocalyptic number.

It is an amenable number.

140232133 is a deficient number, since it is larger than the sum of its proper divisors (8248967).

140232133 is an equidigital number, since it uses as much as digits as its factorization.

140232133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8248966.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 140232133 is about 11841.9649129695. The cubic root of 140232133 is about 519.5362396262.

Adding to 140232133 its reverse (331232041), we get a palindrome (471464174).

The spelling of 140232133 in words is "one hundred forty million, two hundred thirty-two thousand, one hundred thirty-three".