140532403 has 8 divisors (see below), whose sum is σ = 153395136. Its totient is φ = 127684200.

The previous prime is 140532383. The next prime is 140532437. The reversal of 140532403 is 304235041.

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 140532403 - 2⁹ = 140531891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140532473) 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, 31000 + ... + 35242.

It is an arithmetic number, because the mean of its divisors is an integer number (19174392).

Almost surely, 2^140532403 is an apocalyptic number.

140532403 is a deficient number, since it is larger than the sum of its proper divisors (12862733).

140532403 is a wasteful number, since it uses less digits than its factorization.

140532403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7265.

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

The square root of 140532403 is about 11854.6363503905. The cubic root of 140532403 is about 519.9067917257.

Adding to 140532403 its reverse (304235041), we get a palindrome (444767444).

The spelling of 140532403 in words is "one hundred forty million, five hundred thirty-two thousand, four hundred three".