135124117 has 2 divisors, whose sum is σ = 135124118. Its totient is φ = 135124116.

The previous prime is 135124097. The next prime is 135124127. The reversal of 135124117 is 711421531.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 134884996 + 239121 = 11614^2 + 489^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-135124117 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 135124091 and 135124100.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (135124127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67562058 + 67562059.

It is an arithmetic number, because the mean of its divisors is an integer number (67562059).

Almost surely, 2^135124117 is an apocalyptic number.

It is an amenable number.

135124117 is a deficient number, since it is larger than the sum of its proper divisors (1).

135124117 is an equidigital number, since it uses as much as digits as its factorization.

135124117 is an evil number, because the sum of its binary digits is even.

The product of its digits is 840, while the sum is 25.

The square root of 135124117 is about 11624.2899568103. The cubic root of 135124117 is about 513.1499485032.

Adding to 135124117 its reverse (711421531), we get a palindrome (846545648).

The spelling of 135124117 in words is "one hundred thirty-five million, one hundred twenty-four thousand, one hundred seventeen".