130705501 has 4 divisors (see below), whose sum is σ = 131035132. Its totient is φ = 130375872.

The previous prime is 130705457. The next prime is 130705507. The reversal of 130705501 is 105507031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 105507031 = 7 ⋅15072433.

It can be written as a sum of positive squares in 2 ways, for example, as 104960025 + 25745476 = 10245^2 + 5074^2 .

It is a cyclic number.

It is not a de Polignac number, because 130705501 - 2⁷ = 130705373 is a prime.

It is a super-2 number, since 2×130705501² = 34167855983322002, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130705507) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 164220 + ... + 165013.

It is an arithmetic number, because the mean of its divisors is an integer number (32758783).

Almost surely, 2^130705501 is an apocalyptic number.

It is an amenable number.

130705501 is a deficient number, since it is larger than the sum of its proper divisors (329631).

130705501 is an equidigital number, since it uses as much as digits as its factorization.

130705501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329630.

The product of its (nonzero) digits is 525, while the sum is 22.

The square root of 130705501 is about 11432.6506550318. The cubic root of 130705501 is about 507.4944401504.

The spelling of 130705501 in words is "one hundred thirty million, seven hundred five thousand, five hundred one".