130935905 has 4 divisors (see below), whose sum is σ = 157123092. Its totient is φ = 104748720.

The previous prime is 130935901. The next prime is 130935913. The reversal of 130935905 is 509539031.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 58736896 + 72199009 = 7664^2 + 8497^2 .

It is not a de Polignac number, because 130935905 - 2² = 130935901 is a prime.

It is a super-2 number, since 2×130935905² = 34288422436338050, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (130935901) 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, 13093586 + ... + 13093595.

It is an arithmetic number, because the mean of its divisors is an integer number (39280773).

Almost surely, 2^130935905 is an apocalyptic number.

It is an amenable number.

130935905 is a deficient number, since it is larger than the sum of its proper divisors (26187187).

130935905 is an equidigital number, since it uses as much as digits as its factorization.

130935905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26187186.

The product of its (nonzero) digits is 18225, while the sum is 35.

The square root of 130935905 is about 11442.7227966075. The cubic root of 130935905 is about 507.7924641026.

The spelling of 130935905 in words is "one hundred thirty million, nine hundred thirty-five thousand, nine hundred five".