140400233 has 16 divisors (see below), whose sum is σ = 147432960. Its totient is φ = 133588416.

The previous prime is 140400217. The next prime is 140400283. The reversal of 140400233 is 332004041.

140400233 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 140400233 - 2⁴ = 140400217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140400283) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 390908 + ... + 391266.

It is an arithmetic number, because the mean of its divisors is an integer number (9214560).

Almost surely, 2^140400233 is an apocalyptic number.

It is an amenable number.

140400233 is a deficient number, since it is larger than the sum of its proper divisors (7032727).

140400233 is a wasteful number, since it uses less digits than its factorization.

140400233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 616.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 140400233 is about 11849.0604268862. The cubic root of 140400233 is about 519.7437507168.

Adding to 140400233 its reverse (332004041), we get a palindrome (472404274).

The spelling of 140400233 in words is "one hundred forty million, four hundred thousand, two hundred thirty-three".