130665501 has 16 divisors (see below), whose sum is σ = 194325120. Its totient is φ = 86774400.

The previous prime is 130665497. The next prime is 130665523. The reversal of 130665501 is 105566031.

It is a happy number.

130665501 is a `hidden beast` number, since 1 + 3 + 0 + 6 + 655 + 0 + 1 = 666.

It is not a de Polignac number, because 130665501 - 2² = 130665497 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130665541) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2100 + ... + 16301.

It is an arithmetic number, because the mean of its divisors is an integer number (12145320).

Almost surely, 2^130665501 is an apocalyptic number.

It is an amenable number.

130665501 is a deficient number, since it is larger than the sum of its proper divisors (63659619).

130665501 is a wasteful number, since it uses less digits than its factorization.

130665501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18673 (or 18667 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 27.

The square root of 130665501 is about 11430.9011455790. The cubic root of 130665501 is about 507.4426651075.

The spelling of 130665501 in words is "one hundred thirty million, six hundred sixty-five thousand, five hundred one".