130634408 has 8 divisors (see below), whose sum is σ = 244939530. Its totient is φ = 65317200.

The previous prime is 130634407. The next prime is 130634419. The reversal of 130634408 is 804436031.

It can be written as a sum of positive squares in only one way, i.e., 126382564 + 4251844 = 11242^2 + 2062^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (130634401) 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 as a sum of consecutive naturals, namely, 8164643 + ... + 8164658.

Almost surely, 2^130634408 is an apocalyptic number.

It is an amenable number.

130634408 is a deficient number, since it is larger than the sum of its proper divisors (114305122).

130634408 is a wasteful number, since it uses less digits than its factorization.

130634408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16329307 (or 16329303 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 130634408 is about 11429.5410231557. The cubic root of 130634408 is about 507.4024117728.

It can be divided in two parts, 13063 and 4408, that added together give a palindrome (17471).

The spelling of 130634408 in words is "one hundred thirty million, six hundred thirty-four thousand, four hundred eight".