130838078 has 16 divisors (see below), whose sum is σ = 229511040. Its totient is φ = 54769176.

The previous prime is 130838077. The next prime is 130838089. The reversal of 130838078 is 870838031.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130838077) 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 7 ways as a sum of consecutive naturals, for example, 108068 + ... + 109271.

It is an arithmetic number, because the mean of its divisors is an integer number (14344440).

Almost surely, 2^130838078 is an apocalyptic number.

130838078 is a deficient number, since it is larger than the sum of its proper divisors (98672962).

130838078 is a wasteful number, since it uses less digits than its factorization.

130838078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217391.

The product of its (nonzero) digits is 32256, while the sum is 38.

The square root of 130838078 is about 11438.4473596726. The cubic root of 130838078 is about 507.6659691582.

The spelling of 130838078 in words is "one hundred thirty million, eight hundred thirty-eight thousand, seventy-eight".