135861118 has 4 divisors (see below), whose sum is σ = 203791680. Its totient is φ = 67930558.

The previous prime is 135861109. The next prime is 135861137. The reversal of 135861118 is 811168531.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33965278 + ... + 33965281.

It is an arithmetic number, because the mean of its divisors is an integer number (50947920).

Almost surely, 2^135861118 is an apocalyptic number.

135861118 is a deficient number, since it is larger than the sum of its proper divisors (67930562).

135861118 is an equidigital number, since it uses as much as digits as its factorization.

135861118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67930561.

The product of its digits is 5760, while the sum is 34.

The square root of 135861118 is about 11655.9477521135. The cubic root of 135861118 is about 514.0812071727.

The spelling of 135861118 in words is "one hundred thirty-five million, eight hundred sixty-one thousand, one hundred eighteen".