130406252 has 12 divisors (see below), whose sum is σ = 241635240. Its totient is φ = 61367616.

The previous prime is 130406249. The next prime is 130406257. The reversal of 130406252 is 252604031.

It is not an unprimeable number, because it can be changed into a prime (130406257) 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, 958802 + ... + 958937.

It is an arithmetic number, because the mean of its divisors is an integer number (20136270).

Almost surely, 2^130406252 is an apocalyptic number.

It is an amenable number.

130406252 is a deficient number, since it is larger than the sum of its proper divisors (111228988).

130406252 is a wasteful number, since it uses less digits than its factorization.

130406252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1917760 (or 1917758 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 130406252 is about 11419.5556831253. Note that the first 3 decimals coincide. The cubic root of 130406252 is about 507.1068429702.

The spelling of 130406252 in words is "one hundred thirty million, four hundred six thousand, two hundred fifty-two".