140249453 has 8 divisors (see below), whose sum is σ = 141341760. Its totient is φ = 139161760.

The previous prime is 140249443. The next prime is 140249467. The reversal of 140249453 is 354942041.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 140249453 - 2⁴ = 140249437 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 (140249413) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80633 + ... + 82353.

It is an arithmetic number, because the mean of its divisors is an integer number (17667720).

Almost surely, 2^140249453 is an apocalyptic number.

It is an amenable number.

140249453 is a deficient number, since it is larger than the sum of its proper divisors (1092307).

140249453 is a wasteful number, since it uses less digits than its factorization.

140249453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2307.

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 140249453 is about 11842.6961879464. The cubic root of 140249453 is about 519.5576279653.

The spelling of 140249453 in words is "one hundred forty million, two hundred forty-nine thousand, four hundred fifty-three".