140542504 has 16 divisors (see below), whose sum is σ = 263812500. Its totient is φ = 70192512.

The previous prime is 140542477. The next prime is 140542513. The reversal of 140542504 is 405245041.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 134792100 + 5750404 = 11610^2 + 2398^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1879 + ... + 16870.

Almost surely, 2^140542504 is an apocalyptic number.

It is an amenable number.

140542504 is a deficient number, since it is larger than the sum of its proper divisors (123269996).

140542504 is a wasteful number, since it uses less digits than its factorization.

140542504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19692 (or 19688 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 25.

The square root of 140542504 is about 11855.0623785790. The cubic root of 140542504 is about 519.9192478155.

Adding to 140542504 its reverse (405245041), we get a palindrome (545787545).

The spelling of 140542504 in words is "one hundred forty million, five hundred forty-two thousand, five hundred four".