140432053 has 8 divisors (see below), whose sum is σ = 149693400. Its totient is φ = 131281920.

The previous prime is 140432051. The next prime is 140432081. The reversal of 140432053 is 350234041.

It can be written as a sum of positive squares in 4 ways, for example, as 11881809 + 128550244 = 3447^2 + 11338^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 140432053 - 2¹ = 140432051 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140432051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25188 + ... + 30253.

It is an arithmetic number, because the mean of its divisors is an integer number (18711675).

Almost surely, 2^140432053 is an apocalyptic number.

It is an amenable number.

140432053 is a deficient number, since it is larger than the sum of its proper divisors (9261347).

140432053 is a wasteful number, since it uses less digits than its factorization.

140432053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55607.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 140432053 is about 11850.4030733136. The cubic root of 140432053 is about 519.7830122777.

Adding to 140432053 its reverse (350234041), we get a palindrome (490666094).

The spelling of 140432053 in words is "one hundred forty million, four hundred thirty-two thousand, fifty-three".