140502525 has 12 divisors (see below), whose sum is σ = 232297632. Its totient is φ = 74934640.

The previous prime is 140502493. The next prime is 140502533. The reversal of 140502525 is 525205041.

It is a happy number.

It is not a de Polignac number, because 140502525 - 2⁵ = 140502493 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 140502495 and 140502504.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 936609 + ... + 936758.

It is an arithmetic number, because the mean of its divisors is an integer number (19358136).

Almost surely, 2^140502525 is an apocalyptic number.

140502525 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

140502525 is a deficient number, since it is larger than the sum of its proper divisors (91795107).

140502525 is a wasteful number, since it uses less digits than its factorization.

140502525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1873380 (or 1873375 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 24.

The square root of 140502525 is about 11853.3761013477. The cubic root of 140502525 is about 519.8699440526.

Adding to 140502525 its reverse (525205041), we get a palindrome (665707566).

The spelling of 140502525 in words is "one hundred forty million, five hundred two thousand, five hundred twenty-five".