135155093 has 2 divisors, whose sum is σ = 135155094. Its totient is φ = 135155092.

The previous prime is 135155089. The next prime is 135155131. The reversal of 135155093 is 390551531.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 122036209 + 13118884 = 11047^2 + 3622^2 .

It is an emirp because it is prime and its reverse (390551531) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 135155093 - 2² = 135155089 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (135155003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67577546 + 67577547.

It is an arithmetic number, because the mean of its divisors is an integer number (67577547).

Almost surely, 2^135155093 is an apocalyptic number.

It is an amenable number.

135155093 is a deficient number, since it is larger than the sum of its proper divisors (1).

135155093 is an equidigital number, since it uses as much as digits as its factorization.

135155093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10125, while the sum is 32.

The square root of 135155093 is about 11625.6222629157. The cubic root of 135155093 is about 513.1891571919.

The spelling of 135155093 in words is "one hundred thirty-five million, one hundred fifty-five thousand, ninety-three".