140974225 has 36 divisors (see below), whose sum is σ = 204922524. Its totient is φ = 95921280.

The previous prime is 140974213. The next prime is 140974247. The reversal of 140974225 is 522479041.

It can be written as a sum of positive squares in 6 ways, for example, as 693889 + 140280336 = 833^2 + 11844^2 .

It is not a de Polignac number, because 140974225 - 2⁹ = 140973713 is a prime.

It is a super-2 number, since 2×140974225² = 39747464228701250, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

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 in 35 ways as a sum of consecutive naturals, for example, 191959 + ... + 192691.

Almost surely, 2^140974225 is an apocalyptic number.

It is an amenable number.

140974225 is a deficient number, since it is larger than the sum of its proper divisors (63948299).

140974225 is a wasteful number, since it uses less digits than its factorization.

140974225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 914 (or 902 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 140974225 is about 11873.2567141454. The cubic root of 140974225 is about 520.4510694095.

The spelling of 140974225 in words is "one hundred forty million, nine hundred seventy-four thousand, two hundred twenty-five".