132786973 has 6 divisors (see below), whose sum is σ = 145956062. Its totient is φ = 120715320.

The previous prime is 132786947. The next prime is 132786977. The reversal of 132786973 is 379687231.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 115498009 + 17288964 = 10747^2 + 4158^2 .

It is not a de Polignac number, because 132786973 - 2²¹ = 130689821 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (132786977) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 548586 + ... + 548827.

Almost surely, 2^132786973 is an apocalyptic number.

It is an amenable number.

132786973 is a deficient number, since it is larger than the sum of its proper divisors (13169089).

132786973 is a wasteful number, since it uses less digits than its factorization.

132786973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1097435 (or 1097424 counting only the distinct ones).

The product of its digits is 381024, while the sum is 46.

The square root of 132786973 is about 11523.3230016346. The cubic root of 132786973 is about 510.1741978304.

The spelling of 132786973 in words is "one hundred thirty-two million, seven hundred eighty-six thousand, nine hundred seventy-three".