140541225 has 24 divisors (see below), whose sum is σ = 253486752. Its totient is φ = 68140800.

The previous prime is 140541209. The next prime is 140541229. The reversal of 140541225 is 522145041.

It is not a de Polignac number, because 140541225 - 2⁴ = 140541209 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 140541195 and 140541204.

It is not an unprimeable number, because it can be changed into a prime (140541229) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 84352 + ... + 86001.

It is an arithmetic number, because the mean of its divisors is an integer number (10561948).

Almost surely, 2^140541225 is an apocalyptic number.

140541225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

140541225 is a deficient number, since it is larger than the sum of its proper divisors (112945527).

140541225 is a wasteful number, since it uses less digits than its factorization.

140541225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170377 (or 170372 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 24.

The square root of 140541225 is about 11855.0084352564. The cubic root of 140541225 is about 519.9176706443.

Adding to 140541225 its reverse (522145041), we get a palindrome (662686266).

The spelling of 140541225 in words is "one hundred forty million, five hundred forty-one thousand, two hundred twenty-five".