140606253 has 32 divisors (see below), whose sum is σ = 216289920. Its totient is φ = 90201600.

The previous prime is 140606243. The next prime is 140606273. The reversal of 140606253 is 352606041.

140606253 is a `hidden beast` number, since 1 + 4 + 0 + 606 + 2 + 53 = 666.

140606253 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 140606253 - 2⁴ = 140606237 is a prime.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140606243) 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, 96178 + ... + 97628.

It is an arithmetic number, because the mean of its divisors is an integer number (6759060).

Almost surely, 2^140606253 is an apocalyptic number.

It is an amenable number.

140606253 is a deficient number, since it is larger than the sum of its proper divisors (75683667).

140606253 is a wasteful number, since it uses less digits than its factorization.

140606253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1594 (or 1588 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 140606253 is about 11857.7507563618. The cubic root of 140606253 is about 519.9978463915.

The spelling of 140606253 in words is "one hundred forty million, six hundred six thousand, two hundred fifty-three".