140534253 has 12 divisors (see below), whose sum is σ = 209542528. Its totient is φ = 90667080.

The previous prime is 140534249. The next prime is 140534269. The reversal of 140534253 is 352435041.

140534253 is a `hidden beast` number, since 1 + 405 + 3 + 4 + 253 = 666.

It is not a de Polignac number, because 140534253 - 2² = 140534249 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140534353) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 251575 + ... + 252132.

Almost surely, 2^140534253 is an apocalyptic number.

It is an amenable number.

140534253 is a deficient number, since it is larger than the sum of its proper divisors (69008275).

140534253 is a wasteful number, since it uses less digits than its factorization.

140534253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 503744 (or 503741 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 140534253 is about 11854.7143786765. The cubic root of 140534253 is about 519.9090731054.

Adding to 140534253 its reverse (352435041), we get a palindrome (492969294).

The spelling of 140534253 in words is "one hundred forty million, five hundred thirty-four thousand, two hundred fifty-three".