130836465 has 20 divisors (see below), whose sum is σ = 234537204. Its totient is φ = 69779232.

The previous prime is 130836463. The next prime is 130836467. The reversal of 130836465 is 564638031.

130836465 is a `hidden beast` number, since 1 + 3 + 0 + 8 + 3 + 646 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (130836463) and next prime (130836467).

It can be written as a sum of positive squares in 2 ways, for example, as 88962624 + 41873841 = 9432^2 + 6471^2 .

It is not a de Polignac number, because 130836465 - 2¹ = 130836463 is a prime.

It is not an unprimeable number, because it can be changed into a prime (130836463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 161122 + ... + 161931.

Almost surely, 2^130836465 is an apocalyptic number.

130836465 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

130836465 is a deficient number, since it is larger than the sum of its proper divisors (103700739).

130836465 is an equidigital number, since it uses as much as digits as its factorization.

130836465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 323070 (or 323061 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 130836465 is about 11438.3768516342. The cubic root of 130836465 is about 507.6638829445.

It can be divided in two parts, 1308 and 36465, that added together give a palindrome (37773).

The spelling of 130836465 in words is "one hundred thirty million, eight hundred thirty-six thousand, four hundred sixty-five".