140407453 has 4 divisors (see below), whose sum is σ = 140437440. Its totient is φ = 140377468.

The previous prime is 140407451. The next prime is 140407459. The reversal of 140407453 is 354704041.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 140407453 - 2¹ = 140407451 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 (140407451) 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, 6283 + ... + 17896.

It is an arithmetic number, because the mean of its divisors is an integer number (35109360).

Almost surely, 2^140407453 is an apocalyptic number.

It is an amenable number.

140407453 is a deficient number, since it is larger than the sum of its proper divisors (29987).

140407453 is an equidigital number, since it uses as much as digits as its factorization.

140407453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29986.

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 140407453 is about 11849.3650884763. The cubic root of 140407453 is about 519.7526597370.

The spelling of 140407453 in words is "one hundred forty million, four hundred seven thousand, four hundred fifty-three".