193689153 has 48 divisors (see below), whose sum is σ = 328872960. Its totient is φ = 107565408.

The previous prime is 193689137. The next prime is 193689163. The reversal of 193689153 is 351986391.

193689153 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 193689153 - 2⁴ = 193689137 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 193689099 and 193689108.

It is not an unprimeable number, because it can be changed into a prime (193689113) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 397476 + ... + 397962.

It is an arithmetic number, because the mean of its divisors is an integer number (6851520).

Almost surely, 2^193689153 is an apocalyptic number.

It is an amenable number.

193689153 is a deficient number, since it is larger than the sum of its proper divisors (135183807).

193689153 is a wasteful number, since it uses less digits than its factorization.

193689153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 666 (or 663 counting only the distinct ones).

The product of its digits is 174960, while the sum is 45.

The square root of 193689153 is about 13917.2250466823. The cubic root of 193689153 is about 578.5866827515.

The spelling of 193689153 in words is "one hundred ninety-three million, six hundred eighty-nine thousand, one hundred fifty-three".