193135648 has 24 divisors (see below), whose sum is σ = 382178412. Its totient is φ = 96074496.

The previous prime is 193135639. The next prime is 193135693. The reversal of 193135648 is 846531391.

It can be written as a sum of positive squares in 2 ways, for example, as 130599184 + 62536464 = 11428^2 + 7908^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 193135648.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9015 + ... + 21622.

Almost surely, 2^193135648 is an apocalyptic number.

It is an amenable number.

193135648 is a deficient number, since it is larger than the sum of its proper divisors (189042764).

193135648 is a wasteful number, since it uses less digits than its factorization.

193135648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30844 (or 30836 counting only the distinct ones).

The product of its digits is 77760, while the sum is 40.

The square root of 193135648 is about 13897.3252102698. The cubic root of 193135648 is about 578.0350150202.

The spelling of 193135648 in words is "one hundred ninety-three million, one hundred thirty-five thousand, six hundred forty-eight".