130264531 has 4 divisors (see below), whose sum is σ = 133785232. Its totient is φ = 126743832.

The previous prime is 130264487. The next prime is 130264543. The reversal of 130264531 is 135462031.

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

It is a cyclic number.

It is not a de Polignac number, because 130264531 - 2⁷ = 130264403 is a prime.

It is a super-2 number, since 2×130264531² = 33937696073299922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 130264496 and 130264505.

It is not an unprimeable number, because it can be changed into a prime (130264331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1760295 + ... + 1760368.

It is an arithmetic number, because the mean of its divisors is an integer number (33446308).

Almost surely, 2^130264531 is an apocalyptic number.

130264531 is the 6590-th hex number.

130264531 is a deficient number, since it is larger than the sum of its proper divisors (3520701).

130264531 is an equidigital number, since it uses as much as digits as its factorization.

130264531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3520700.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 130264531 is about 11413.3488074272. The cubic root of 130264531 is about 506.9230743293.

The spelling of 130264531 in words is "one hundred thirty million, two hundred sixty-four thousand, five hundred thirty-one".