135503293 has 2 divisors, whose sum is σ = 135503294. Its totient is φ = 135503292.

The previous prime is 135503273. The next prime is 135503321. The reversal of 135503293 is 392305531.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 112635769 + 22867524 = 10613^2 + 4782^2 .

It is an emirp because it is prime and its reverse (392305531) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-135503293 is a prime.

It is a super-2 number, since 2×135503293² = 36722284827687698, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (135503273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67751646 + 67751647.

It is an arithmetic number, because the mean of its divisors is an integer number (67751647).

Almost surely, 2^135503293 is an apocalyptic number.

It is an amenable number.

135503293 is a deficient number, since it is larger than the sum of its proper divisors (1).

135503293 is an equidigital number, since it uses as much as digits as its factorization.

135503293 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12150, while the sum is 31.

The square root of 135503293 is about 11640.5881724250. The cubic root of 135503293 is about 513.6294889242.

The spelling of 135503293 in words is "one hundred thirty-five million, five hundred three thousand, two hundred ninety-three".