130129234 has 4 divisors (see below), whose sum is σ = 195193854. Its totient is φ = 65064616.

The previous prime is 130129231. The next prime is 130129247. The reversal of 130129234 is 432921031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 432921031 = 17 ⋅25465943.

It can be written as a sum of positive squares in only one way, i.e., 73051209 + 57078025 = 8547^2 + 7555^2 .

It is a junction number, because it is equal to n+sod(n) for n = 130129199 and 130129208.

It is not an unprimeable number, because it can be changed into a prime (130129231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32532307 + ... + 32532310.

Almost surely, 2^130129234 is an apocalyptic number.

130129234 is a deficient number, since it is larger than the sum of its proper divisors (65064620).

130129234 is an equidigital number, since it uses as much as digits as its factorization.

130129234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65064619.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 130129234 is about 11407.4201290213. The cubic root of 130129234 is about 506.7475112417.

The spelling of 130129234 in words is "one hundred thirty million, one hundred twenty-nine thousand, two hundred thirty-four".