135631716 has 48 divisors (see below), whose sum is σ = 346382400. Its totient is φ = 40965120.

The previous prime is 135631697. The next prime is 135631721. The reversal of 135631716 is 617136531.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (33).

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 15 ways as a sum of consecutive naturals, for example, 42960 + ... + 46008.

It is an arithmetic number, because the mean of its divisors is an integer number (7216300).

Almost surely, 2^135631716 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 135631716, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (173191200).

135631716 is an abundant number, since it is smaller than the sum of its proper divisors (210750684).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

135631716 is a wasteful number, since it uses less digits than its factorization.

135631716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3404 (or 3402 counting only the distinct ones).

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

The square root of 135631716 is about 11646.1030392144. The cubic root of 135631716 is about 513.7917014948.

The spelling of 135631716 in words is "one hundred thirty-five million, six hundred thirty-one thousand, seven hundred sixteen".