130226440 has 16 divisors (see below), whose sum is σ = 293009580. Its totient is φ = 52090560.

The previous prime is 130226431. The next prime is 130226441. The reversal of 130226440 is 44622031.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 106626276 + 23600164 = 10326^2 + 4858^2 .

It is not an unprimeable number, because it can be changed into a prime (130226441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1627791 + ... + 1627870.

Almost surely, 2^130226440 is an apocalyptic number.

130226440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

130226440 is an abundant number, since it is smaller than the sum of its proper divisors (162783140).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

130226440 is a wasteful number, since it uses less digits than its factorization.

130226440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3255672 (or 3255668 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 130226440 is about 11411.6799814926. The cubic root of 130226440 is about 506.8736592684.

Adding to 130226440 its reverse (44622031), we get a palindrome (174848471).

The spelling of 130226440 in words is "one hundred thirty million, two hundred twenty-six thousand, four hundred forty".