135109487 has 2 divisors, whose sum is σ = 135109488. Its totient is φ = 135109486.

The previous prime is 135109433. The next prime is 135109493. The reversal of 135109487 is 784901531.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 135109487 - 2¹⁸ = 134847343 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 135109487.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (135109427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67554743 + 67554744.

It is an arithmetic number, because the mean of its divisors is an integer number (67554744).

Almost surely, 2^135109487 is an apocalyptic number.

135109487 is a deficient number, since it is larger than the sum of its proper divisors (1).

135109487 is an equidigital number, since it uses as much as digits as its factorization.

135109487 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30240, while the sum is 38.

The square root of 135109487 is about 11623.6606540281. The cubic root of 135109487 is about 513.1314281115.

The spelling of 135109487 in words is "one hundred thirty-five million, one hundred nine thousand, four hundred eighty-seven".