135728916 has 48 divisors (see below), whose sum is σ = 322600320. Its totient is φ = 44408320.

The previous prime is 135728897. The next prime is 135728927. The reversal of 135728916 is 619827531.

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 in 15 ways as a sum of consecutive naturals, for example, 177976 + ... + 178736.

It is an arithmetic number, because the mean of its divisors is an integer number (6720840).

Almost surely, 2^135728916 is an apocalyptic number.

It is an amenable number.

135728916 is an abundant number, since it is smaller than the sum of its proper divisors (186871404).

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

135728916 is a wasteful number, since it uses less digits than its factorization.

135728916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1024 (or 1022 counting only the distinct ones).

The product of its digits is 90720, while the sum is 42.

The square root of 135728916 is about 11650.2753615526. The cubic root of 135728916 is about 513.9144078688.

The spelling of 135728916 in words is "one hundred thirty-five million, seven hundred twenty-eight thousand, nine hundred sixteen".