140132453 has 2 divisors, whose sum is σ = 140132454. Its totient is φ = 140132452.

The previous prime is 140132401. The next prime is 140132483. The reversal of 140132453 is 354231041.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 105534529 + 34597924 = 10273^2 + 5882^2 .

It is a cyclic number.

It is not a de Polignac number, because 140132453 - 2⁸ = 140132197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140132483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70066226 + 70066227.

It is an arithmetic number, because the mean of its divisors is an integer number (70066227).

Almost surely, 2^140132453 is an apocalyptic number.

It is an amenable number.

140132453 is a deficient number, since it is larger than the sum of its proper divisors (1).

140132453 is an equidigital number, since it uses as much as digits as its factorization.

140132453 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 140132453 is about 11837.7554037917. The cubic root of 140132453 is about 519.4131112898.

Adding to 140132453 its reverse (354231041), we get a palindrome (494363494).

The spelling of 140132453 in words is "one hundred forty million, one hundred thirty-two thousand, four hundred fifty-three".