193132157 has 4 divisors (see below), whose sum is σ = 193194816. Its totient is φ = 193069500.

The previous prime is 193132153. The next prime is 193132187. The reversal of 193132157 is 751231391.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 193132157 - 2² = 193132153 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (193132151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26453 + ... + 32954.

It is an arithmetic number, because the mean of its divisors is an integer number (48298704).

Almost surely, 2^193132157 is an apocalyptic number.

It is an amenable number.

193132157 is a deficient number, since it is larger than the sum of its proper divisors (62659).

193132157 is an equidigital number, since it uses as much as digits as its factorization.

193132157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62658.

The product of its digits is 5670, while the sum is 32.

The square root of 193132157 is about 13897.1996099934. The cubic root of 193132157 is about 578.0315322652.

The spelling of 193132157 in words is "one hundred ninety-three million, one hundred thirty-two thousand, one hundred fifty-seven".