130140452 has 12 divisors (see below), whose sum is σ = 245264796. Its totient is φ = 60064800.

The previous prime is 130140421. The next prime is 130140469. The reversal of 130140452 is 254041031.

It can be written as a sum of positive squares in 2 ways, for example, as 33825856 + 96314596 = 5816^2 + 9814^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1251299 + ... + 1251402.

It is an arithmetic number, because the mean of its divisors is an integer number (20438733).

Almost surely, 2^130140452 is an apocalyptic number.

It is an amenable number.

130140452 is a deficient number, since it is larger than the sum of its proper divisors (115124344).

130140452 is a wasteful number, since it uses less digits than its factorization.

130140452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2502718 (or 2502716 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 130140452 is about 11407.9118159285. The cubic root of 130140452 is about 506.7620724848.

Adding to 130140452 its reverse (254041031), we get a palindrome (384181483).

The spelling of 130140452 in words is "one hundred thirty million, one hundred forty thousand, four hundred fifty-two".