130933805 has 4 divisors (see below), whose sum is σ = 157120572. Its totient is φ = 104747040.

The previous prime is 130933793. The next prime is 130933823. The reversal of 130933805 is 508339031.

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 67141636 + 63792169 = 8194^2 + 7987^2 .

It is not a de Polignac number, because 130933805 - 2¹⁴ = 130917421 is a prime.

It is a super-2 number, since 2×130933805² = 34287322583556050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13093376 + ... + 13093385.

It is an arithmetic number, because the mean of its divisors is an integer number (39280143).

Almost surely, 2^130933805 is an apocalyptic number.

It is an amenable number.

130933805 is a deficient number, since it is larger than the sum of its proper divisors (26186767).

130933805 is an equidigital number, since it uses as much as digits as its factorization.

130933805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26186766.

The product of its (nonzero) digits is 9720, while the sum is 32.

The square root of 130933805 is about 11442.6310348626. The cubic root of 130933805 is about 507.7897493650.

The spelling of 130933805 in words is "one hundred thirty million, nine hundred thirty-three thousand, eight hundred five".