193021132 has 12 divisors (see below), whose sum is σ = 337921920. Its totient is φ = 96472016.

The previous prime is 193021121. The next prime is 193021139. The reversal of 193021132 is 231120391.

It is a super-2 number, since 2×193021132² = 74514314797122848, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (193021139) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 3669 + ... + 19987.

It is an arithmetic number, because the mean of its divisors is an integer number (28160160).

Almost surely, 2^193021132 is an apocalyptic number.

It is an amenable number.

193021132 is a deficient number, since it is larger than the sum of its proper divisors (144900788).

193021132 is a wasteful number, since it uses less digits than its factorization.

193021132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19280 (or 19278 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 22.

The square root of 193021132 is about 13893.2045259544. The cubic root of 193021132 is about 577.9207475858.

The spelling of 193021132 in words is "one hundred ninety-three million, twenty-one thousand, one hundred thirty-two".