132728377 has 8 divisors (see below), whose sum is σ = 141113664. Its totient is φ = 124561008.

The previous prime is 132728363. The next prime is 132728417. The reversal of 132728377 is 773827231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 132728377 - 2¹¹ = 132726329 is a prime.

It is a super-2 number, since 2×132728377² = 35233644122108258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (132728327) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53223 + ... + 55660.

It is an arithmetic number, because the mean of its divisors is an integer number (17639208).

Almost surely, 2^132728377 is an apocalyptic number.

It is an amenable number.

132728377 is a deficient number, since it is larger than the sum of its proper divisors (8385287).

132728377 is a wasteful number, since it uses less digits than its factorization.

132728377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108959.

The product of its digits is 98784, while the sum is 40.

The square root of 132728377 is about 11520.7802253146. The cubic root of 132728377 is about 510.0991438676.

The spelling of 132728377 in words is "one hundred thirty-two million, seven hundred twenty-eight thousand, three hundred seventy-seven".