132749777 has 2 divisors, whose sum is σ = 132749778. Its totient is φ = 132749776.

The previous prime is 132749731. The next prime is 132749779. The reversal of 132749777 is 777947231.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 128845201 + 3904576 = 11351^2 + 1976^2 .

It is a cyclic number.

It is not a de Polignac number, because 132749777 - 2⁸ = 132749521 is a prime.

Together with 132749779, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (132749779) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66374888 + 66374889.

It is an arithmetic number, because the mean of its divisors is an integer number (66374889).

Almost surely, 2^132749777 is an apocalyptic number.

It is an amenable number.

132749777 is a deficient number, since it is larger than the sum of its proper divisors (1).

132749777 is an equidigital number, since it uses as much as digits as its factorization.

132749777 is an evil number, because the sum of its binary digits is even.

The product of its digits is 518616, while the sum is 47.

The square root of 132749777 is about 11521.7089444231. The cubic root of 132749777 is about 510.1265570837.

The spelling of 132749777 in words is "one hundred thirty-two million, seven hundred forty-nine thousand, seven hundred seventy-seven".