132347291 has 4 divisors (see below), whose sum is σ = 132508152. Its totient is φ = 132186432.

The previous prime is 132347287. The next prime is 132347309. The reversal of 132347291 is 192743231.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 132347291 - 2² = 132347287 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (132347231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79190 + ... + 80843.

It is an arithmetic number, because the mean of its divisors is an integer number (33127038).

Almost surely, 2^132347291 is an apocalyptic number.

132347291 is a deficient number, since it is larger than the sum of its proper divisors (160861).

132347291 is an equidigital number, since it uses as much as digits as its factorization.

132347291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160860.

The product of its digits is 9072, while the sum is 32.

The square root of 132347291 is about 11504.2292657961. The cubic root of 132347291 is about 509.6104817643.

The spelling of 132347291 in words is "one hundred thirty-two million, three hundred forty-seven thousand, two hundred ninety-one".