135816071 has 8 divisors (see below), whose sum is σ = 137847600. Its totient is φ = 133799040.

The previous prime is 135816049. The next prime is 135816091. The reversal of 135816071 is 170618531.

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

It is a cyclic number.

It is not a de Polignac number, because 135816071 - 2²⁶ = 68707207 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135816091) by changing a digit.

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, 16031 + ... + 22991.

It is an arithmetic number, because the mean of its divisors is an integer number (17230950).

Almost surely, 2^135816071 is an apocalyptic number.

135816071 is a deficient number, since it is larger than the sum of its proper divisors (2031529).

135816071 is a wasteful number, since it uses less digits than its factorization.

135816071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7249.

The product of its (nonzero) digits is 5040, while the sum is 32.

The square root of 135816071 is about 11654.0152308121. The cubic root of 135816071 is about 514.0243835173.

The spelling of 135816071 in words is "one hundred thirty-five million, eight hundred sixteen thousand, seventy-one".