140263335225 has 72 divisors (see below), whose sum is σ = 286467336792. Its totient is φ = 64990771200.

The previous prime is 140263335221. The next prime is 140263335253. The reversal of 140263335225 is 522533362041.

140263335225 is a `hidden beast` number, since 1 + 40 + 2 + 63 + 33 + 522 + 5 = 666.

It can be written as a sum of positive squares in 12 ways, for example, as 34320897081 + 105942438144 = 185259^2 + 325488^2 .

It is not a de Polignac number, because 140263335225 - 2² = 140263335221 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 140263335225.

It is not an unprimeable number, because it can be changed into a prime (140263335221) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1360666 + ... + 1460115.

It is an arithmetic number, because the mean of its divisors is an integer number (3978713011).

Almost surely, 2^140263335225 is an apocalyptic number.

140263335225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

140263335225 is an abundant number, since it is smaller than the sum of its proper divisors (146204001567).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

140263335225 is a wasteful number, since it uses less digits than its factorization.

140263335225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2820827 (or 2820819 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 36.

Adding to 140263335225 its reverse (522533362041), we get a palindrome (662796697266).

The spelling of 140263335225 in words is "one hundred forty billion, two hundred sixty-three million, three hundred thirty-five thousand, two hundred twenty-five".