130145732 has 6 divisors (see below), whose sum is σ = 227755038. Its totient is φ = 65072864.

The previous prime is 130145669. The next prime is 130145747. The reversal of 130145732 is 237541031.

It can be written as a sum of positive squares in only one way, i.e., 99520576 + 30625156 = 9976^2 + 5534^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16268213 + ... + 16268220.

It is an arithmetic number, because the mean of its divisors is an integer number (37959173).

Almost surely, 2^130145732 is an apocalyptic number.

It is an amenable number.

130145732 is a deficient number, since it is larger than the sum of its proper divisors (97609306).

130145732 is a wasteful number, since it uses less digits than its factorization.

130145732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32536437 (or 32536435 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 130145732 is about 11408.1432319199. The cubic root of 130145732 is about 506.7689257665.

Adding to 130145732 its reverse (237541031), we get a palindrome (367686763).

The spelling of 130145732 in words is "one hundred thirty million, one hundred forty-five thousand, seven hundred thirty-two".