136500453 has 18 divisors (see below), whose sum is σ = 200611814. Its totient is φ = 89437392.

The previous prime is 136500449. The next prime is 136500461. The reversal of 136500453 is 354005631.

136500453 is a `hidden beast` number, since 1 + 3 + 650 + 0 + 4 + 5 + 3 = 666.

It can be written as a sum of positive squares in only one way, i.e., 136469124 + 31329 = 11682^2 + 177^2 .

It is not a de Polignac number, because 136500453 - 2² = 136500449 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 (136500433) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 29151 + ... + 33507.

Almost surely, 2^136500453 is an apocalyptic number.

It is an amenable number.

136500453 is a deficient number, since it is larger than the sum of its proper divisors (64111361).

136500453 is an equidigital number, since it uses as much as digits as its factorization.

136500453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4481 (or 4419 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

The square root of 136500453 is about 11683.3408321421. The cubic root of 136500453 is about 514.8863330377.

The spelling of 136500453 in words is "one hundred thirty-six million, five hundred thousand, four hundred fifty-three".