135976887 has 40 divisors (see below), whose sum is σ = 212427600. Its totient is φ = 86593536.

The previous prime is 135976877. The next prime is 135976891. The reversal of 135976887 is 788679531.

It is not a de Polignac number, because 135976887 - 2⁴ = 135976871 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135976817) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 176439 + ... + 177207.

It is an arithmetic number, because the mean of its divisors is an integer number (5310690).

Almost surely, 2^135976887 is an apocalyptic number.

135976887 is a deficient number, since it is larger than the sum of its proper divisors (76450713).

135976887 is an equidigital number, since it uses as much as digits as its factorization.

135976887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 877 (or 868 counting only the distinct ones).

The product of its digits is 2540160, while the sum is 54.

The square root of 135976887 is about 11660.9127858843. The cubic root of 135976887 is about 514.2271841128.

The spelling of 135976887 in words is "one hundred thirty-five million, nine hundred seventy-six thousand, eight hundred eighty-seven".