130396436 has 12 divisors (see below), whose sum is σ = 234361428. Its totient is φ = 63436032.

The previous prime is 130396433. The next prime is 130396543. The reversal of 130396436 is 634693031.

It can be written as a sum of positive squares in 2 ways, for example, as 76667536 + 53728900 = 8756^2 + 7330^2 .

It is a junction number, because it is equal to n+sod(n) for n = 130396396 and 130396405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130396433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 440381 + ... + 440676.

It is an arithmetic number, because the mean of its divisors is an integer number (19530119).

Almost surely, 2^130396436 is an apocalyptic number.

It is an amenable number.

130396436 is a deficient number, since it is larger than the sum of its proper divisors (103964992).

130396436 is a wasteful number, since it uses less digits than its factorization.

130396436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 881098 (or 881096 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 35.

The square root of 130396436 is about 11419.1258859862. The cubic root of 130396436 is about 507.0941189236.

The spelling of 130396436 in words is "one hundred thirty million, three hundred ninety-six thousand, four hundred thirty-six".