130808536 has 8 divisors (see below), whose sum is σ = 245266020. Its totient is φ = 65404264.

The previous prime is 130808533. The next prime is 130808549. The reversal of 130808536 is 635808031.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×130808536² = 34221746180926592, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130808533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8175526 + ... + 8175541.

Almost surely, 2^130808536 is an apocalyptic number.

It is an amenable number.

130808536 is a deficient number, since it is larger than the sum of its proper divisors (114457484).

130808536 is a wasteful number, since it uses less digits than its factorization.

130808536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16351073 (or 16351069 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 130808536 is about 11437.1559401802. The cubic root of 130808536 is about 507.6277575580.

The spelling of 130808536 in words is "one hundred thirty million, eight hundred eight thousand, five hundred thirty-six".