140553525 has 24 divisors (see below), whose sum is σ = 265580224. Its totient is φ = 64252800.

The previous prime is 140553499. The next prime is 140553527. The reversal of 140553525 is 525355041.

It is a happy number.

It is not a de Polignac number, because 140553525 - 2⁵ = 140553493 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 140553492 and 140553501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140553527) 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, 133336 + ... + 134385.

Almost surely, 2^140553525 is an apocalyptic number.

140553525 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

140553525 is a deficient number, since it is larger than the sum of its proper divisors (125026699).

140553525 is a wasteful number, since it uses less digits than its factorization.

140553525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267741 (or 267736 counting only the distinct ones).

The product of its (nonzero) digits is 15000, while the sum is 30.

The square root of 140553525 is about 11855.5271919894. The cubic root of 140553525 is about 519.9328377262.

The spelling of 140553525 in words is "one hundred forty million, five hundred fifty-three thousand, five hundred twenty-five".