132786769 has 4 divisors (see below), whose sum is σ = 132851044. Its totient is φ = 132722496.

The previous prime is 132786767. The next prime is 132786791. The reversal of 132786769 is 967687231.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 53363025 + 79423744 = 7305^2 + 8912^2 .

It is a cyclic number.

It is not a de Polignac number, because 132786769 - 2¹ = 132786767 is a prime.

It is a super-2 number, since 2×132786769² = 35264652042918722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (132786767) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28932 + ... + 33205.

It is an arithmetic number, because the mean of its divisors is an integer number (33212761).

Almost surely, 2^132786769 is an apocalyptic number.

It is an amenable number.

132786769 is a deficient number, since it is larger than the sum of its proper divisors (64275).

132786769 is an equidigital number, since it uses as much as digits as its factorization.

132786769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64274.

The product of its digits is 762048, while the sum is 49.

The square root of 132786769 is about 11523.3141500178. The cubic root of 132786769 is about 510.1739365708.

The spelling of 132786769 in words is "one hundred thirty-two million, seven hundred eighty-six thousand, seven hundred sixty-nine".