140433553 has 4 divisors (see below), whose sum is σ = 151236148. Its totient is φ = 129630960.

The previous prime is 140433547. The next prime is 140433577. The reversal of 140433553 is 355334041.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 355334041 = 3889 ⋅91369.

It can be written as a sum of positive squares in 2 ways, for example, as 70677649 + 69755904 = 8407^2 + 8352^2 .

It is a cyclic number.

It is not a de Polignac number, because 140433553 - 2⁵ = 140433521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140433053) 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 3 ways as a sum of consecutive naturals, for example, 5401278 + ... + 5401303.

It is an arithmetic number, because the mean of its divisors is an integer number (37809037).

Almost surely, 2^140433553 is an apocalyptic number.

140433553 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

140433553 is a deficient number, since it is larger than the sum of its proper divisors (10802595).

140433553 is a wasteful number, since it uses less digits than its factorization.

140433553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10802594.

The product of its (nonzero) digits is 10800, while the sum is 28.

The square root of 140433553 is about 11850.4663621311. The cubic root of 140433553 is about 519.7848629277.

Adding to 140433553 its reverse (355334041), we get a palindrome (495767594).

The spelling of 140433553 in words is "one hundred forty million, four hundred thirty-three thousand, five hundred fifty-three".