140447725 has 36 divisors (see below), whose sum is σ = 198151380. Its totient is φ = 98560000.

The previous prime is 140447707. The next prime is 140447767. The reversal of 140447725 is 527744041.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 7806436 + 132641289 = 2794^2 + 11517^2 .

It is not a de Polignac number, because 140447725 - 2⁹ = 140447213 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 86925 + ... + 88525.

It is an arithmetic number, because the mean of its divisors is an integer number (5504205).

Almost surely, 2^140447725 is an apocalyptic number.

It is an amenable number.

140447725 is a deficient number, since it is larger than the sum of its proper divisors (57703655).

140447725 is a wasteful number, since it uses less digits than its factorization.

140447725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1662 (or 1646 counting only the distinct ones).

The product of its (nonzero) digits is 31360, while the sum is 34.

The square root of 140447725 is about 11851.0642981970. The cubic root of 140447725 is about 519.8023472187.

The spelling of 140447725 in words is "one hundred forty million, four hundred forty-seven thousand, seven hundred twenty-five".