135200293 has 2 divisors, whose sum is σ = 135200294. Its totient is φ = 135200292.

The previous prime is 135200239. The next prime is 135200309. The reversal of 135200293 is 392002531.

It is a happy number.

135200293 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Together with previous prime (135200239) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 97476129 + 37724164 = 9873^2 + 6142^2 .

It is a cyclic number.

It is not a de Polignac number, because 135200293 - 2²¹ = 133103141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (135200203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67600146 + 67600147.

It is an arithmetic number, because the mean of its divisors is an integer number (67600147).

Almost surely, 2^135200293 is an apocalyptic number.

It is an amenable number.

135200293 is a deficient number, since it is larger than the sum of its proper divisors (1).

135200293 is an equidigital number, since it uses as much as digits as its factorization.

135200293 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1620, while the sum is 25.

The square root of 135200293 is about 11627.5660823751. The cubic root of 135200293 is about 513.2463595364.

The spelling of 135200293 in words is "one hundred thirty-five million, two hundred thousand, two hundred ninety-three".