140111553 has 16 divisors (see below), whose sum is σ = 191048256. Its totient is φ = 91315200.

The previous prime is 140111551. The next prime is 140111593. The reversal of 140111553 is 355111041.

It is a happy number.

140111553 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 140111553 - 2¹ = 140111551 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (140111551) 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, 21253 + ... + 27053.

It is an arithmetic number, because the mean of its divisors is an integer number (11940516).

Almost surely, 2^140111553 is an apocalyptic number.

It is an amenable number.

140111553 is a deficient number, since it is larger than the sum of its proper divisors (50936703).

140111553 is an equidigital number, since it uses as much as digits as its factorization.

140111553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5984.

The product of its (nonzero) digits is 300, while the sum is 21.

The square root of 140111553 is about 11836.8726021699. The cubic root of 140111553 is about 519.3872874507.

Adding to 140111553 its reverse (355111041), we get a palindrome (495222594).

The spelling of 140111553 in words is "one hundred forty million, one hundred eleven thousand, five hundred fifty-three".