132302291 has 4 divisors (see below), whose sum is σ = 144329784. Its totient is φ = 120274800.

The previous prime is 132302267. The next prime is 132302299. The reversal of 132302291 is 192203231.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-132302291 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (132302299) 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, 6013730 + ... + 6013751.

It is an arithmetic number, because the mean of its divisors is an integer number (36082446).

Almost surely, 2^132302291 is an apocalyptic number.

132302291 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

132302291 is a deficient number, since it is larger than the sum of its proper divisors (12027493).

132302291 is a wasteful number, since it uses less digits than its factorization.

132302291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12027492.

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 132302291 is about 11502.2732970487. The cubic root of 132302291 is about 509.5527168965.

The spelling of 132302291 in words is "one hundred thirty-two million, three hundred two thousand, two hundred ninety-one".