135412987 has 2 divisors, whose sum is σ = 135412988. Its totient is φ = 135412986.

The previous prime is 135412961. The next prime is 135412993. The reversal of 135412987 is 789214531.

135412987 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 a cyclic number.

It is not a de Polignac number, because 135412987 - 2¹¹ = 135410939 is a prime.

It is not a weakly prime, because it can be changed into another prime (135412957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67706493 + 67706494.

It is an arithmetic number, because the mean of its divisors is an integer number (67706494).

Almost surely, 2^135412987 is an apocalyptic number.

135412987 is a deficient number, since it is larger than the sum of its proper divisors (1).

135412987 is an equidigital number, since it uses as much as digits as its factorization.

135412987 is an evil number, because the sum of its binary digits is even.

The product of its digits is 60480, while the sum is 40.

The square root of 135412987 is about 11636.7085982248. The cubic root of 135412987 is about 513.5153609904.

It can be divided in two parts, 1354 and 12987, that added together give a palindrome (14341).

The spelling of 135412987 in words is "one hundred thirty-five million, four hundred twelve thousand, nine hundred eighty-seven".