130521273 has 16 divisors (see below), whose sum is σ = 177369600. Its totient is φ = 85351680.

The previous prime is 130521269. The next prime is 130521277. The reversal of 130521273 is 372125031.

It is an interprime number because it is at equal distance from previous prime (130521269) and next prime (130521277).

It is not a de Polignac number, because 130521273 - 2² = 130521269 is a prime.

It is not an unprimeable number, because it can be changed into a prime (130521277) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 86913 + ... + 88401.

It is an arithmetic number, because the mean of its divisors is an integer number (11085600).

Almost surely, 2^130521273 is an apocalyptic number.

It is an amenable number.

130521273 is a deficient number, since it is larger than the sum of its proper divisors (46848327).

130521273 is a wasteful number, since it uses less digits than its factorization.

130521273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2032.

The product of its (nonzero) digits is 1260, while the sum is 24.

The square root of 130521273 is about 11424.5907147696. The cubic root of 130521273 is about 507.2558920505.

It can be divided in two parts, 1305 and 21273, that added together give a triangular number (22578 = T₂₁₂).

The spelling of 130521273 in words is "one hundred thirty million, five hundred twenty-one thousand, two hundred seventy-three".