135887577 has 8 divisors (see below), whose sum is σ = 207066816. Its totient is φ = 77650032.

The previous prime is 135887567. The next prime is 135887597. The reversal of 135887577 is 775788531.

135887577 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 135887577 - 2¹⁵ = 135854809 is a prime.

It is not an unprimeable number, because it can be changed into a prime (135887537) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3235398 + ... + 3235439.

It is an arithmetic number, because the mean of its divisors is an integer number (25883352).

Almost surely, 2^135887577 is an apocalyptic number.

It is an amenable number.

135887577 is a deficient number, since it is larger than the sum of its proper divisors (71179239).

135887577 is an equidigital number, since it uses as much as digits as its factorization.

135887577 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6470847.

The product of its digits is 1646400, while the sum is 51.

The square root of 135887577 is about 11657.0826967985. The cubic root of 135887577 is about 514.1145775045.

The spelling of 135887577 in words is "one hundred thirty-five million, eight hundred eighty-seven thousand, five hundred seventy-seven".