140680224 has 36 divisors (see below), whose sum is σ = 400060206. Its totient is φ = 46893312.

The previous prime is 140680193. The next prime is 140680273. The reversal of 140680224 is 422086041.

It can be written as a sum of positive squares in only one way, i.e., 94711824 + 45968400 = 9732^2 + 6780^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 243949 + ... + 244524.

Almost surely, 2^140680224 is an apocalyptic number.

It is an amenable number.

140680224 is an abundant number, since it is smaller than the sum of its proper divisors (259379982).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

140680224 is a wasteful number, since it uses less digits than its factorization.

140680224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 488489 (or 488478 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

The square root of 140680224 is about 11860.8694453653. The cubic root of 140680224 is about 520.0890182907.

The spelling of 140680224 in words is "one hundred forty million, six hundred eighty thousand, two hundred twenty-four".