135608648 has 32 divisors (see below), whose sum is σ = 297682560. Its totient is φ = 56699520.

The previous prime is 135608647. The next prime is 135608653. The reversal of 135608648 is 846806531.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is not an unprimeable number, because it can be changed into a prime (135608647) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27236 + ... + 31827.

It is an arithmetic number, because the mean of its divisors is an integer number (9302580).

Almost surely, 2^135608648 is an apocalyptic number.

It is an amenable number.

135608648 is an abundant number, since it is smaller than the sum of its proper divisors (162073912).

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

135608648 is a wasteful number, since it uses less digits than its factorization.

135608648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59117 (or 59113 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 41.

The square root of 135608648 is about 11645.1126228989. The cubic root of 135608648 is about 513.7625715849.

The spelling of 135608648 in words is "one hundred thirty-five million, six hundred eight thousand, six hundred forty-eight".