132781263 has 8 divisors (see below), whose sum is σ = 178867248. Its totient is φ = 87608064.

The previous prime is 132781261. The next prime is 132781273. The reversal of 132781263 is 362187231.

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

It is not a de Polignac number, because 132781263 - 2¹ = 132781261 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (132781261) 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, 227856 + ... + 228437.

It is an arithmetic number, because the mean of its divisors is an integer number (22358406).

Almost surely, 2^132781263 is an apocalyptic number.

132781263 is a deficient number, since it is larger than the sum of its proper divisors (46085985).

132781263 is an equidigital number, since it uses as much as digits as its factorization.

132781263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 456393.

The product of its digits is 12096, while the sum is 33.

The square root of 132781263 is about 11523.0752405771. The cubic root of 132781263 is about 510.1668850236.

It can be divided in two parts, 13278 and 1263, that added together give a palindrome (14541).

The spelling of 132781263 in words is "one hundred thirty-two million, seven hundred eighty-one thousand, two hundred sixty-three".