135090887 has 2 divisors, whose sum is σ = 135090888. Its totient is φ = 135090886.

The previous prime is 135090877. The next prime is 135090889. The reversal of 135090887 is 788090531.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 135090887 - 2⁴ = 135090871 is a prime.

Together with 135090889, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (135090889) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67545443 + 67545444.

It is an arithmetic number, because the mean of its divisors is an integer number (67545444).

Almost surely, 2^135090887 is an apocalyptic number.

135090887 is a deficient number, since it is larger than the sum of its proper divisors (1).

135090887 is an equidigital number, since it uses as much as digits as its factorization.

135090887 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60480, while the sum is 41.

The square root of 135090887 is about 11622.8605343091. The cubic root of 135090887 is about 513.1078800919.

The spelling of 135090887 in words is "one hundred thirty-five million, ninety thousand, eight hundred eighty-seven".