135873875 has 8 divisors (see below), whose sum is σ = 169570752. Its totient is φ = 108699000.

The previous prime is 135873863. The next prime is 135873887. The reversal of 135873875 is 578378531.

It is an interprime number because it is at equal distance from previous prime (135873863) and next prime (135873887).

It is a de Polignac number, because none of the positive numbers 2^k-135873875 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 543371 + ... + 543620.

It is an arithmetic number, because the mean of its divisors is an integer number (21196344).

Almost surely, 2^135873875 is an apocalyptic number.

135873875 is a deficient number, since it is larger than the sum of its proper divisors (33696877).

135873875 is an equidigital number, since it uses as much as digits as its factorization.

135873875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1087006 (or 1086996 counting only the distinct ones).

The product of its digits is 705600, while the sum is 47.

The square root of 135873875 is about 11656.4949706162. The cubic root of 135873875 is about 514.0972969581.

The spelling of 135873875 in words is "one hundred thirty-five million, eight hundred seventy-three thousand, eight hundred seventy-five".