135906853 has 2 divisors, whose sum is σ = 135906854. Its totient is φ = 135906852.

The previous prime is 135906769. The next prime is 135906863. The reversal of 135906853 is 358609531.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 98366724 + 37540129 = 9918^2 + 6127^2 .

It is a cyclic number.

It is not a de Polignac number, because 135906853 - 2⁹ = 135906341 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (135906863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67953426 + 67953427.

It is an arithmetic number, because the mean of its divisors is an integer number (67953427).

Almost surely, 2^135906853 is an apocalyptic number.

It is an amenable number.

135906853 is a deficient number, since it is larger than the sum of its proper divisors (1).

135906853 is an equidigital number, since it uses as much as digits as its factorization.

135906853 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 97200, while the sum is 40.

The square root of 135906853 is about 11657.9094609625. The cubic root of 135906853 is about 514.1388858439.

The spelling of 135906853 in words is "one hundred thirty-five million, nine hundred six thousand, eight hundred fifty-three".