140541025 has 9 divisors (see below), whose sum is σ = 174344403. Its totient is φ = 112385400.

The previous prime is 140541019. The next prime is 140541029. The reversal of 140541025 is 520145041.

The square root of 140541025 is 11855.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 50594769 + 89946256 = 7113^2 + 9484^2 .

It is not a de Polignac number, because 140541025 - 2⁵ = 140540993 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 140540987 and 140541005.

It is not an unprimeable number, because it can be changed into a prime (140541029) by changing a digit.

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 8 ways as a sum of consecutive naturals, for example, 58090 + ... + 60460.

Almost surely, 2^140541025 is an apocalyptic number.

140541025 is the 11855-th square number.

140541025 is the 5928-th centered octagonal number.

It is an amenable number.

140541025 is a deficient number, since it is larger than the sum of its proper divisors (33803378).

140541025 is an frugal number, since it uses more digits than its factorization.

140541025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4752 (or 2376 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 22.

The cubic root of 140541025 is about 519.9174240178.

Adding to 140541025 its reverse (520145041), we get a palindrome (660686066).

The spelling of 140541025 in words is "one hundred forty million, five hundred forty-one thousand, twenty-five".