193140352 has 16 divisors (see below), whose sum is σ = 384772050. Its totient is φ = 96570112.

The previous prime is 193140341. The next prime is 193140359. The reversal of 193140352 is 253041391.

It can be written as a sum of positive squares in only one way, i.e., 116122176 + 77018176 = 10776^2 + 8776^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 193140352.

It is not an unprimeable number, because it can be changed into a prime (193140359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 754327 + ... + 754582.

Almost surely, 2^193140352 is an apocalyptic number.

It is an amenable number.

193140352 is a deficient number, since it is larger than the sum of its proper divisors (191631698).

193140352 is an equidigital number, since it uses as much as digits as its factorization.

193140352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1508923 (or 1508911 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 193140352 is about 13897.4944504396. The cubic root of 193140352 is about 578.0397078439.

The spelling of 193140352 in words is "one hundred ninety-three million, one hundred forty thousand, three hundred fifty-two".