140063453 has 4 divisors (see below), whose sum is σ = 140228508. Its totient is φ = 139898400.

The previous prime is 140063449. The next prime is 140063461. The reversal of 140063453 is 354360041.

140063453 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 27321529 + 112741924 = 5227^2 + 10618^2 .

It is a cyclic number.

It is not a de Polignac number, because 140063453 - 2² = 140063449 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 (140062453) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81248 + ... + 82953.

It is an arithmetic number, because the mean of its divisors is an integer number (35057127).

Almost surely, 2^140063453 is an apocalyptic number.

It is an amenable number.

140063453 is a deficient number, since it is larger than the sum of its proper divisors (165055).

140063453 is an equidigital number, since it uses as much as digits as its factorization.

140063453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165054.

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 140063453 is about 11834.8406410902. The cubic root of 140063453 is about 519.3278457955.

The spelling of 140063453 in words is "one hundred forty million, sixty-three thousand, four hundred fifty-three".