135634816 has 16 divisors (see below), whose sum is σ = 270210240. Its totient is φ = 67817344.

The previous prime is 135634801. The next prime is 135634853. The reversal of 135634816 is 618436531.

It is a tau number, because it is divible by the number of its divisors (16).

It is a super-2 number, since 2×135634816² = 36793606622707712, which contains 22 as substring.

It is a congruent 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 as a sum of consecutive naturals, namely, 529696 + ... + 529951.

It is an arithmetic number, because the mean of its divisors is an integer number (16888140).

Almost surely, 2^135634816 is an apocalyptic number.

135634816 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

135634816 is a deficient number, since it is larger than the sum of its proper divisors (134575424).

135634816 is an equidigital number, since it uses as much as digits as its factorization.

135634816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1059661 (or 1059649 counting only the distinct ones).

The product of its digits is 51840, while the sum is 37.

The square root of 135634816 is about 11646.2361301839. The cubic root of 135634816 is about 513.7956158745.

The spelling of 135634816 in words is "one hundred thirty-five million, six hundred thirty-four thousand, eight hundred sixteen".