130146531 has 4 divisors (see below), whose sum is σ = 173528712. Its totient is φ = 86764352.

The previous prime is 130146529. The next prime is 130146539. The reversal of 130146531 is 135641031.

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 130146531 - 2¹ = 130146529 is a prime.

It is a super-2 number, since 2×130146531² = 33876239062667922, which contains 22 as substring.

It is a zygodrome in base 2.

It is not an unprimeable number, because it can be changed into a prime (130146539) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21691086 + ... + 21691091.

It is an arithmetic number, because the mean of its divisors is an integer number (43382178).

Almost surely, 2^130146531 is an apocalyptic number.

130146531 is a deficient number, since it is larger than the sum of its proper divisors (43382181).

130146531 is an equidigital number, since it uses as much as digits as its factorization.

130146531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43382180.

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 130146531 is about 11408.1782507112. The cubic root of 130146531 is about 506.7699628284.

Adding to 130146531 its reverse (135641031), we get a palindrome (265787562).

The spelling of 130146531 in words is "one hundred thirty million, one hundred forty-six thousand, five hundred thirty-one".