132721194 has 16 divisors (see below), whose sum is σ = 279413280. Its totient is φ = 41911920.

The previous prime is 132721189. The next prime is 132721207. The reversal of 132721194 is 491127231.

It is a super-2 number, since 2×132721194² = 35229830673571272, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 581997 + ... + 582224.

It is an arithmetic number, because the mean of its divisors is an integer number (17463330).

Almost surely, 2^132721194 is an apocalyptic number.

132721194 is an abundant number, since it is smaller than the sum of its proper divisors (146692086).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

132721194 is a wasteful number, since it uses less digits than its factorization.

132721194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1164245.

The product of its digits is 3024, while the sum is 30.

The square root of 132721194 is about 11520.4684800576. The cubic root of 132721194 is about 510.0899418458.

The spelling of 132721194 in words is "one hundred thirty-two million, seven hundred twenty-one thousand, one hundred ninety-four".