140270453 has 4 divisors (see below), whose sum is σ = 140320908. Its totient is φ = 140220000.

The previous prime is 140270437. The next prime is 140270461. The reversal of 140270453 is 354072041.

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 99540529 + 40729924 = 9977^2 + 6382^2 .

It is a cyclic number.

It is not a de Polignac number, because 140270453 - 2⁴ = 140270437 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 (140270953) 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, 20798 + ... + 26703.

It is an arithmetic number, because the mean of its divisors is an integer number (35080227).

Almost surely, 2^140270453 is an apocalyptic number.

It is an amenable number.

140270453 is a deficient number, since it is larger than the sum of its proper divisors (50455).

140270453 is an equidigital number, since it uses as much as digits as its factorization.

140270453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50454.

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 140270453 is about 11843.5827771836. The cubic root of 140270453 is about 519.5835583473.

The spelling of 140270453 in words is "one hundred forty million, two hundred seventy thousand, four hundred fifty-three".