135371618 has 16 divisors (see below), whose sum is σ = 215313120. Its totient is φ = 63652896.

The previous prime is 135371603. The next prime is 135371633. The reversal of 135371618 is 816173531.

It is an interprime number because it is at equal distance from previous prime (135371603) and next prime (135371633).

It is a Curzon 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, 7796 + ... + 18207.

It is an arithmetic number, because the mean of its divisors is an integer number (13457070).

Almost surely, 2^135371618 is an apocalyptic number.

135371618 is a deficient number, since it is larger than the sum of its proper divisors (79941502).

135371618 is a wasteful number, since it uses less digits than its factorization.

135371618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26161.

The product of its digits is 15120, while the sum is 35.

The square root of 135371618 is about 11634.9309409210. The cubic root of 135371618 is about 513.4630622630.

The spelling of 135371618 in words is "one hundred thirty-five million, three hundred seventy-one thousand, six hundred eighteen".