132428673 has 12 divisors (see below), whose sum is σ = 206000340. Its totient is φ = 81494496.

The previous prime is 132428671. The next prime is 132428713. The reversal of 132428673 is 376824231.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 37307664 + 95121009 = 6108^2 + 9753^2 .

It is not a de Polignac number, because 132428673 - 2¹ = 132428671 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (132428671) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 565818 + ... + 566051.

It is an arithmetic number, because the mean of its divisors is an integer number (17166695).

Almost surely, 2^132428673 is an apocalyptic number.

132428673 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

132428673 is a deficient number, since it is larger than the sum of its proper divisors (73571667).

132428673 is a wasteful number, since it uses less digits than its factorization.

132428673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1131888 (or 1131885 counting only the distinct ones).

The product of its digits is 48384, while the sum is 36.

The square root of 132428673 is about 11507.7657692534. The cubic root of 132428673 is about 509.7149156419.

The spelling of 132428673 in words is "one hundred thirty-two million, four hundred twenty-eight thousand, six hundred seventy-three".