130620806 has 4 divisors (see below), whose sum is σ = 195931212. Its totient is φ = 65310402.

The previous prime is 130620803. The next prime is 130620811. The reversal of 130620806 is 608026031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 608026031 = 1481 ⋅410551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130620803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32655200 + ... + 32655203.

It is an arithmetic number, because the mean of its divisors is an integer number (48982803).

Almost surely, 2^130620806 is an apocalyptic number.

130620806 is a deficient number, since it is larger than the sum of its proper divisors (65310406).

130620806 is an equidigital number, since it uses as much as digits as its factorization.

130620806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65310405.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 130620806 is about 11428.9459706484. The cubic root of 130620806 is about 507.3848004679.

Adding to 130620806 its reverse (608026031), we get a palindrome (738646837).

The spelling of 130620806 in words is "one hundred thirty million, six hundred twenty thousand, eight hundred six".