140810725 has 18 divisors (see below), whose sum is σ = 191925650. Its totient is φ = 102405600.

The previous prime is 140810701. The next prime is 140810737. The reversal of 140810725 is 527018041.

It can be written as a sum of positive squares in 3 ways, for example, as 39727809 + 101082916 = 6303^2 + 10054^2 .

It is not a de Polignac number, because 140810725 - 2¹³ = 140802533 is a prime.

It is a super-4 number, since 4×140810725⁴ (a number of 34 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 140810693 and 140810702.

It is a congruent number.

It is an unprimeable number.

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 17 ways as a sum of consecutive naturals, for example, 20250 + ... + 26299.

Almost surely, 2^140810725 is an apocalyptic number.

It is an amenable number.

140810725 is a deficient number, since it is larger than the sum of its proper divisors (51114925).

140810725 is a wasteful number, since it uses less digits than its factorization.

140810725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46581 (or 46565 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 28.

The square root of 140810725 is about 11866.3694953427. The cubic root of 140810725 is about 520.2497875371.

Adding to 140810725 its reverse (527018041), we get a palindrome (667828766).

The spelling of 140810725 in words is "one hundred forty million, eight hundred ten thousand, seven hundred twenty-five".