130400234 has 8 divisors (see below), whose sum is σ = 207106308. Its totient is φ = 61364800.

The previous prime is 130400203. The next prime is 130400261. The reversal of 130400234 is 432004031.

It can be written as a sum of positive squares in 2 ways, for example, as 105370225 + 25030009 = 10265^2 + 5003^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1917617 + ... + 1917684.

Almost surely, 2^130400234 is an apocalyptic number.

130400234 is a deficient number, since it is larger than the sum of its proper divisors (76706074).

130400234 is a wasteful number, since it uses less digits than its factorization.

130400234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3835320.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 130400234 is about 11419.2921847197. The cubic root of 130400234 is about 507.0990421787.

Adding to 130400234 its reverse (432004031), we get a palindrome (562404265).

The spelling of 130400234 in words is "one hundred thirty million, four hundred thousand, two hundred thirty-four".