140555725 has 12 divisors (see below), whose sum is σ = 174767956. Its totient is φ = 112135680.

The previous prime is 140555707. The next prime is 140555729. The reversal of 140555725 is 527555041.

It can be written as a sum of positive squares in 6 ways, for example, as 2328676 + 138227049 = 1526^2 + 11757^2 .

It is not a de Polignac number, because 140555725 - 2⁵ = 140555693 is a prime.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140555729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1789 + ... + 16861.

Almost surely, 2^140555725 is an apocalyptic number.

It is an amenable number.

140555725 is a deficient number, since it is larger than the sum of its proper divisors (34212231).

140555725 is a wasteful number, since it uses less digits than its factorization.

140555725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15456 (or 15451 counting only the distinct ones).

The product of its (nonzero) digits is 35000, while the sum is 34.

The square root of 140555725 is about 11855.6199753535. The cubic root of 140555725 is about 519.9355504443.

The spelling of 140555725 in words is "one hundred forty million, five hundred fifty-five thousand, seven hundred twenty-five".