140235225 has 24 divisors (see below), whose sum is σ = 249692352. Its totient is φ = 69038400.

The previous prime is 140235203. The next prime is 140235229. The reversal of 140235225 is 522532041.

It is not a de Polignac number, because 140235225 - 2¹⁰ = 140234201 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 140235195 and 140235204.

It is not an unprimeable number, because it can be changed into a prime (140235229) 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, 70941 + ... + 72890.

It is an arithmetic number, because the mean of its divisors is an integer number (10403848).

Almost surely, 2^140235225 is an apocalyptic number.

140235225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

140235225 is a deficient number, since it is larger than the sum of its proper divisors (109457127).

140235225 is a wasteful number, since it uses less digits than its factorization.

140235225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143857 (or 143852 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 140235225 is about 11842.0954649082. The cubic root of 140235225 is about 519.5400580431.

Adding to 140235225 its reverse (522532041), we get a palindrome (662767266).

The spelling of 140235225 in words is "one hundred forty million, two hundred thirty-five thousand, two hundred twenty-five".