132502891 has 4 divisors (see below), whose sum is σ = 132555312. Its totient is φ = 132450472.

The previous prime is 132502861. The next prime is 132502901. The reversal of 132502891 is 198205231.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 198205231 = 7 ⋅28315033.

It is a cyclic number.

It is not a de Polignac number, because 132502891 - 2⁵ = 132502859 is a prime.

It is a super-2 number, since 2×132502891² = 35114032246715762, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (132502801) 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, 22216 + ... + 27541.

It is an arithmetic number, because the mean of its divisors is an integer number (33138828).

Almost surely, 2^132502891 is an apocalyptic number.

132502891 is a deficient number, since it is larger than the sum of its proper divisors (52421).

132502891 is an equidigital number, since it uses as much as digits as its factorization.

132502891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52420.

The product of its (nonzero) digits is 4320, while the sum is 31.

The square root of 132502891 is about 11510.9900095517. The cubic root of 132502891 is about 509.8101189837.

The spelling of 132502891 in words is "one hundred thirty-two million, five hundred two thousand, eight hundred ninety-one".