135706507 has 2 divisors, whose sum is σ = 135706508. Its totient is φ = 135706506.

The previous prime is 135706481. The next prime is 135706511. The reversal of 135706507 is 705607531.

135706507 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is an emirp because it is prime and its reverse (705607531) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 135706507 - 2¹⁹ = 135182219 is a prime.

It is equal to p_7683109 and since 135706507 and 7683109 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (135706547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67853253 + 67853254.

It is an arithmetic number, because the mean of its divisors is an integer number (67853254).

Almost surely, 2^135706507 is an apocalyptic number.

135706507 is a deficient number, since it is larger than the sum of its proper divisors (1).

135706507 is an equidigital number, since it uses as much as digits as its factorization.

135706507 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 22050, while the sum is 34.

The square root of 135706507 is about 11649.3135849285. The cubic root of 135706507 is about 513.8861236924.

The spelling of 135706507 in words is "one hundred thirty-five million, seven hundred six thousand, five hundred seven".