132781258 has 4 divisors (see below), whose sum is σ = 199171890. Its totient is φ = 66390628.

The previous prime is 132781249. The next prime is 132781261. The reversal of 132781258 is 852187231.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 852187231 = 7 ⋅121741033.

It can be written as a sum of positive squares in only one way, i.e., 80407089 + 52374169 = 8967^2 + 7237^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33195313 + ... + 33195316.

Almost surely, 2^132781258 is an apocalyptic number.

132781258 is a deficient number, since it is larger than the sum of its proper divisors (66390632).

132781258 is an equidigital number, since it uses as much as digits as its factorization.

132781258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66390631.

The product of its digits is 26880, while the sum is 37.

The square root of 132781258 is about 11523.0750236211. The cubic root of 132781258 is about 510.1668786200.

The spelling of 132781258 in words is "one hundred thirty-two million, seven hundred eighty-one thousand, two hundred fifty-eight".