135125887 has 8 divisors (see below), whose sum is σ = 149453696. Its totient is φ = 121360032.

The previous prime is 135125857. The next prime is 135125923. The reversal of 135125887 is 788521531.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-135125887 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135125857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 139983 + ... + 140944.

It is an arithmetic number, because the mean of its divisors is an integer number (18681712).

Almost surely, 2^135125887 is an apocalyptic number.

135125887 is a deficient number, since it is larger than the sum of its proper divisors (14327809).

135125887 is a wasteful number, since it uses less digits than its factorization.

135125887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280977.

The product of its digits is 67200, while the sum is 40.

The square root of 135125887 is about 11624.3660902434. The cubic root of 135125887 is about 513.1521890888.

The spelling of 135125887 in words is "one hundred thirty-five million, one hundred twenty-five thousand, eight hundred eighty-seven".