140032505 has 16 divisors (see below), whose sum is σ = 173249280. Its totient is φ = 108598272.

The previous prime is 140032499. The next prime is 140032513. The reversal of 140032505 is 505230041.

It is a cyclic number.

It is not a de Polignac number, because 140032505 - 2¹⁰ = 140031481 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22361 + ... + 27929.

It is an arithmetic number, because the mean of its divisors is an integer number (10828080).

Almost surely, 2^140032505 is an apocalyptic number.

It is an amenable number.

140032505 is a deficient number, since it is larger than the sum of its proper divisors (33216775).

140032505 is a wasteful number, since it uses less digits than its factorization.

140032505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5728.

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 140032505 is about 11833.5330734316. The cubic root of 140032505 is about 519.2895932708.

Adding to 140032505 its reverse (505230041), we get a palindrome (645262546).

The spelling of 140032505 in words is "one hundred forty million, thirty-two thousand, five hundred five".