140617453 has 2 divisors, whose sum is σ = 140617454. Its totient is φ = 140617452.

The previous prime is 140617429. The next prime is 140617459. The reversal of 140617453 is 354716041.

140617453 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 96766569 + 43850884 = 9837^2 + 6622^2 .

It is an emirp because it is prime and its reverse (354716041) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-140617453 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140617459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70308726 + 70308727.

It is an arithmetic number, because the mean of its divisors is an integer number (70308727).

Almost surely, 2^140617453 is an apocalyptic number.

It is an amenable number.

140617453 is a deficient number, since it is larger than the sum of its proper divisors (1).

140617453 is an equidigital number, since it uses as much as digits as its factorization.

140617453 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 140617453 is about 11858.2230119019. The cubic root of 140617453 is about 520.0116528454.

The spelling of 140617453 in words is "one hundred forty million, six hundred seventeen thousand, four hundred fifty-three".