130658765 has 8 divisors (see below), whose sum is σ = 157065720. Its totient is φ = 104343552.

The previous prime is 130658747. The next prime is 130658771. The reversal of 130658765 is 567856031.

It can be written as a sum of positive squares in 4 ways, for example, as 74063236 + 56595529 = 8606^2 + 7523^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 130658765 - 2⁶ = 130658701 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19760 + ... + 25529.

It is an arithmetic number, because the mean of its divisors is an integer number (19633215).

Almost surely, 2^130658765 is an apocalyptic number.

It is an amenable number.

130658765 is a deficient number, since it is larger than the sum of its proper divisors (26406955).

130658765 is an equidigital number, since it uses as much as digits as its factorization.

130658765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45871.

The product of its (nonzero) digits is 151200, while the sum is 41.

The square root of 130658765 is about 11430.6065018441. The cubic root of 130658765 is about 507.4339451508.

The spelling of 130658765 in words is "one hundred thirty million, six hundred fifty-eight thousand, seven hundred sixty-five".