130531964 has 6 divisors (see below), whose sum is σ = 228430944. Its totient is φ = 65265980.

The previous prime is 130531963. The next prime is 130532011. The reversal of 130531964 is 469135031.

It is a self number, because there is not a number n which added to its sum of digits gives 130531964.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130531963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16316492 + ... + 16316499.

It is an arithmetic number, because the mean of its divisors is an integer number (38071824).

Almost surely, 2^130531964 is an apocalyptic number.

It is an amenable number.

130531964 is a deficient number, since it is larger than the sum of its proper divisors (97898980).

130531964 is a wasteful number, since it uses less digits than its factorization.

130531964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32632995 (or 32632993 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 32.

The square root of 130531964 is about 11425.0585994121. The cubic root of 130531964 is about 507.2697414523.

Adding to 130531964 its reverse (469135031), we get a palindrome (599666995).

The spelling of 130531964 in words is "one hundred thirty million, five hundred thirty-one thousand, nine hundred sixty-four".