140735225 has 12 divisors (see below), whose sum is σ = 175116396. Its totient is φ = 112198080.

The previous prime is 140735201. The next prime is 140735239. The reversal of 140735225 is 522537041.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 24720784 + 116014441 = 4972^2 + 10771^2 .

It is not a de Polignac number, because 140735225 - 2¹⁰ = 140734201 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2282 + ... + 16931.

It is an arithmetic number, because the mean of its divisors is an integer number (14593033).

Almost surely, 2^140735225 is an apocalyptic number.

It is an amenable number.

140735225 is a deficient number, since it is larger than the sum of its proper divisors (34381171).

140735225 is a wasteful number, since it uses less digits than its factorization.

140735225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19516 (or 19511 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 29.

The square root of 140735225 is about 11863.1878093538. The cubic root of 140735225 is about 520.1567882734.

The spelling of 140735225 in words is "one hundred forty million, seven hundred thirty-five thousand, two hundred twenty-five".