135454897 has 2 divisors, whose sum is σ = 135454898. Its totient is φ = 135454896.

The previous prime is 135454873. The next prime is 135454919. The reversal of 135454897 is 798454531.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 104530176 + 30924721 = 10224^2 + 5561^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-135454897 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (135454807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67727448 + 67727449.

It is an arithmetic number, because the mean of its divisors is an integer number (67727449).

Almost surely, 2^135454897 is an apocalyptic number.

It is an amenable number.

135454897 is a deficient number, since it is larger than the sum of its proper divisors (1).

135454897 is an equidigital number, since it uses as much as digits as its factorization.

135454897 is an evil number, because the sum of its binary digits is even.

The product of its digits is 604800, while the sum is 46.

The square root of 135454897 is about 11638.5092258416. The cubic root of 135454897 is about 513.5683327901.

The spelling of 135454897 in words is "one hundred thirty-five million, four hundred fifty-four thousand, eight hundred ninety-seven".