135639105 has 48 divisors (see below), whose sum is σ = 260642304. Its totient is φ = 59996160.

The previous prime is 135639079. The next prime is 135639131. The reversal of 135639105 is 501936531.

It is an interprime number because it is at equal distance from previous prime (135639079) and next prime (135639131).

It is not a de Polignac number, because 135639105 - 2⁶ = 135639041 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 19809 + ... + 25761.

It is an arithmetic number, because the mean of its divisors is an integer number (5430048).

Almost surely, 2^135639105 is an apocalyptic number.

135639105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

135639105 is a deficient number, since it is larger than the sum of its proper divisors (125003199).

135639105 is a wasteful number, since it uses less digits than its factorization.

135639105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6006 (or 5999 counting only the distinct ones).

The product of its (nonzero) digits is 12150, while the sum is 33.

The square root of 135639105 is about 11646.4202654721. The cubic root of 135639105 is about 513.8010315100.

The spelling of 135639105 in words is "one hundred thirty-five million, six hundred thirty-nine thousand, one hundred five".