140540704 has 12 divisors (see below), whose sum is σ = 276689574. Its totient is φ = 70270336.

The previous prime is 140540677. The next prime is 140540713. The reversal of 140540704 is 407045041.

It can be written as a sum of positive squares in only one way, i.e., 85008400 + 55532304 = 9220^2 + 7452^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2195917 + ... + 2195980.

Almost surely, 2^140540704 is an apocalyptic number.

It is an amenable number.

140540704 is a deficient number, since it is larger than the sum of its proper divisors (136148870).

140540704 is an equidigital number, since it uses as much as digits as its factorization.

140540704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4391907 (or 4391899 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 25.

The square root of 140540704 is about 11854.9864614010. The cubic root of 140540704 is about 519.9170281817.

Adding to 140540704 its reverse (407045041), we get a palindrome (547585745).

The spelling of 140540704 in words is "one hundred forty million, five hundred forty thousand, seven hundred four".