136885453 has 2 divisors, whose sum is σ = 136885454. Its totient is φ = 136885452.

The previous prime is 136885409. The next prime is 136885477. The reversal of 136885453 is 354588631.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 85877289 + 51008164 = 9267^2 + 7142^2 .

It is a cyclic number.

It is not a de Polignac number, because 136885453 - 2²¹ = 134788301 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (136885493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68442726 + 68442727.

It is an arithmetic number, because the mean of its divisors is an integer number (68442727).

Almost surely, 2^136885453 is an apocalyptic number.

It is an amenable number.

136885453 is a deficient number, since it is larger than the sum of its proper divisors (1).

136885453 is an equidigital number, since it uses as much as digits as its factorization.

136885453 is an evil number, because the sum of its binary digits is even.

The product of its digits is 345600, while the sum is 43.

The square root of 136885453 is about 11699.8056821470. The cubic root of 136885453 is about 515.3699581948.

The spelling of 136885453 in words is "one hundred thirty-six million, eight hundred eighty-five thousand, four hundred fifty-three".