135613671 has 8 divisors (see below), whose sum is σ = 180994800. Its totient is φ = 90320832.

The previous prime is 135613637. The next prime is 135613693. The reversal of 135613671 is 176316531.

It is a happy number.

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

It is not a de Polignac number, because 135613671 - 2²⁷ = 1395943 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135613631) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 18400 + ... + 24693.

It is an arithmetic number, because the mean of its divisors is an integer number (22624350).

Almost surely, 2^135613671 is an apocalyptic number.

135613671 is a deficient number, since it is larger than the sum of its proper divisors (45381129).

135613671 is a wasteful number, since it uses less digits than its factorization.

135613671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44145.

The product of its digits is 11340, while the sum is 33.

The square root of 135613671 is about 11645.3282907782. The cubic root of 135613671 is about 513.7689148322.

The spelling of 135613671 in words is "one hundred thirty-five million, six hundred thirteen thousand, six hundred seventy-one".