140659604 has 6 divisors (see below), whose sum is σ = 246154314. Its totient is φ = 70329800.

The previous prime is 140659549. The next prime is 140659609. The reversal of 140659604 is 406956041.

It can be written as a sum of positive squares in only one way, i.e., 140659600 + 4 = 11860^2 + 2^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140659609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17582447 + ... + 17582454.

It is an arithmetic number, because the mean of its divisors is an integer number (41025719).

Almost surely, 2^140659604 is an apocalyptic number.

It is an amenable number.

140659604 is a deficient number, since it is larger than the sum of its proper divisors (105494710).

140659604 is a wasteful number, since it uses less digits than its factorization.

140659604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35164905 (or 35164903 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 140659604 is about 11860.0001686341. Note that the first 3 decimals coincide. The cubic root of 140659604 is about 520.0636066177.

The spelling of 140659604 in words is "one hundred forty million, six hundred fifty-nine thousand, six hundred four".