131775338 has 4 divisors (see below), whose sum is σ = 197663010. Its totient is φ = 65887668.

The previous prime is 131775337. The next prime is 131775341. The reversal of 131775338 is 833577131.

131775338 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in only one way, i.e., 76615009 + 55160329 = 8753^2 + 7427^2 .

It is a super-3 number, since 3×131775338³ (a number of 25 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (131775337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32943833 + ... + 32943836.

Almost surely, 2^131775338 is an apocalyptic number.

131775338 is a deficient number, since it is larger than the sum of its proper divisors (65887672).

131775338 is an equidigital number, since it uses as much as digits as its factorization.

131775338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65887671.

The product of its digits is 52920, while the sum is 38.

The square root of 131775338 is about 11479.3439708025. The cubic root of 131775338 is about 508.8753096015.

The spelling of 131775338 in words is "one hundred thirty-one million, seven hundred seventy-five thousand, three hundred thirty-eight".