130172274 has 12 divisors (see below), whose sum is σ = 282039966. Its totient is φ = 43390752.

The previous prime is 130172267. The next prime is 130172279. The reversal of 130172274 is 472271031.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 81270225 + 48902049 = 9015^2 + 6993^2 .

It is not an unprimeable number, because it can be changed into a prime (130172279) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3615879 + ... + 3615914.

Almost surely, 2^130172274 is an apocalyptic number.

130172274 is an abundant number, since it is smaller than the sum of its proper divisors (151867692).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

130172274 is a wasteful number, since it uses less digits than its factorization.

130172274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7231801 (or 7231798 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 27.

The square root of 130172274 is about 11409.3064644614. The cubic root of 130172274 is about 506.8033736795.

The spelling of 130172274 in words is "one hundred thirty million, one hundred seventy-two thousand, two hundred seventy-four".