140743825 has 6 divisors (see below), whose sum is σ = 174522374. Its totient is φ = 112595040.

The previous prime is 140743787. The next prime is 140743861. The reversal of 140743825 is 528347041.

It can be written as a sum of positive squares in 3 ways, for example, as 2163841 + 138579984 = 1471^2 + 11772^2 .

It is not a de Polignac number, because 140743825 - 2¹³ = 140735633 is a prime.

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 5 ways as a sum of consecutive naturals, for example, 2814852 + ... + 2814901.

Almost surely, 2^140743825 is an apocalyptic number.

It is an amenable number.

140743825 is a deficient number, since it is larger than the sum of its proper divisors (33778549).

140743825 is an equidigital number, since it uses as much as digits as its factorization.

140743825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5629763 (or 5629758 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 34.

The square root of 140743825 is about 11863.5502696284. The cubic root of 140743825 is about 520.1673832453.

The spelling of 140743825 in words is "one hundred forty million, seven hundred forty-three thousand, eight hundred twenty-five".