130640126 has 4 divisors (see below), whose sum is σ = 195960192. Its totient is φ = 65320062.

The previous prime is 130640113. The next prime is 130640129. The reversal of 130640126 is 621046031.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 621046031 = 3067 ⋅202493.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130640129) 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 as a sum of consecutive naturals, namely, 32660030 + ... + 32660033.

It is an arithmetic number, because the mean of its divisors is an integer number (48990048).

Almost surely, 2^130640126 is an apocalyptic number.

130640126 is a deficient number, since it is larger than the sum of its proper divisors (65320066).

130640126 is an equidigital number, since it uses as much as digits as its factorization.

130640126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65320065.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 130640126 is about 11429.7911616967. The cubic root of 130640126 is about 507.4098148368.

Adding to 130640126 its reverse (621046031), we get a palindrome (751686157).

The spelling of 130640126 in words is "one hundred thirty million, six hundred forty thousand, one hundred twenty-six".