131673274 has 4 divisors (see below), whose sum is σ = 197509914. Its totient is φ = 65836636.

The previous prime is 131673257. The next prime is 131673277. The reversal of 131673274 is 472376131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 472376131 = 61 ⋅7743871.

It can be written as a sum of positive squares in only one way, i.e., 130942249 + 731025 = 11443^2 + 855^2 .

It is not an unprimeable number, because it can be changed into a prime (131673277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32918317 + ... + 32918320.

Almost surely, 2^131673274 is an apocalyptic number.

131673274 is a deficient number, since it is larger than the sum of its proper divisors (65836640).

131673274 is an equidigital number, since it uses as much as digits as its factorization.

131673274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65836639.

The product of its digits is 21168, while the sum is 34.

The square root of 131673274 is about 11474.8975594556. The cubic root of 131673274 is about 508.7438958754.

The spelling of 131673274 in words is "one hundred thirty-one million, six hundred seventy-three thousand, two hundred seventy-four".