135506153 has 2 divisors, whose sum is σ = 135506154. Its totient is φ = 135506152.

The previous prime is 135506131. The next prime is 135506209. The reversal of 135506153 is 351605531.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 105124009 + 30382144 = 10253^2 + 5512^2 .

It is a cyclic number.

It is not a de Polignac number, because 135506153 - 2⁶ = 135506089 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (135506453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67753076 + 67753077.

It is an arithmetic number, because the mean of its divisors is an integer number (67753077).

Almost surely, 2^135506153 is an apocalyptic number.

It is an amenable number.

135506153 is a deficient number, since it is larger than the sum of its proper divisors (1).

135506153 is an equidigital number, since it uses as much as digits as its factorization.

135506153 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6750, while the sum is 29.

The square root of 135506153 is about 11640.7110178030. The cubic root of 135506153 is about 513.6331025388.

The spelling of 135506153 in words is "one hundred thirty-five million, five hundred six thousand, one hundred fifty-three".