132061891 has 24 divisors (see below), whose sum is σ = 151073664. Its totient is φ = 114618240.

The previous prime is 132061877. The next prime is 132061903. The reversal of 132061891 is 198160231.

It is not a de Polignac number, because 132061891 - 2⁵ = 132061859 is a prime.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is not an unprimeable number, because it can be changed into a prime (132061841) 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 23 ways as a sum of consecutive naturals, for example, 1809031 + ... + 1809103.

It is an arithmetic number, because the mean of its divisors is an integer number (6294736).

Almost surely, 2^132061891 is an apocalyptic number.

132061891 is a deficient number, since it is larger than the sum of its proper divisors (19011773).

132061891 is an equidigital number, since it uses as much as digits as its factorization.

132061891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251 (or 184 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 31.

The square root of 132061891 is about 11491.8184374798. The cubic root of 132061891 is about 509.2439020319.

The spelling of 132061891 in words is "one hundred thirty-two million, sixty-one thousand, eight hundred ninety-one".