140525253 has 32 divisors (see below), whose sum is σ = 231966720. Its totient is φ = 83346480.

The previous prime is 140525251. The next prime is 140525257. The reversal of 140525253 is 352525041.

It is a happy number.

140525253 is a `hidden beast` number, since 1 + 405 + 2 + 5 + 253 = 666.

It is not a de Polignac number, because 140525253 - 2¹ = 140525251 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140525251) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8926 + ... + 18992.

It is an arithmetic number, because the mean of its divisors is an integer number (7248960).

Almost surely, 2^140525253 is an apocalyptic number.

It is an amenable number.

140525253 is a deficient number, since it is larger than the sum of its proper divisors (91441467).

140525253 is a wasteful number, since it uses less digits than its factorization.

140525253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10134 (or 10128 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 140525253 is about 11854.3347767810. The cubic root of 140525253 is about 519.8979743129.

The spelling of 140525253 in words is "one hundred forty million, five hundred twenty-five thousand, two hundred fifty-three".