130620890 has 8 divisors (see below), whose sum is σ = 235117620. Its totient is φ = 52248352.

The previous prime is 130620859. The next prime is 130620899. The reversal of 130620890 is 98026031.

It can be written as a sum of positive squares in 2 ways, for example, as 121506529 + 9114361 = 11023^2 + 3019^2 .

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (130620899) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6531035 + ... + 6531054.

Almost surely, 2^130620890 is an apocalyptic number.

130620890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

130620890 is a deficient number, since it is larger than the sum of its proper divisors (104496730).

130620890 is a wasteful number, since it uses less digits than its factorization.

130620890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13062096.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 130620890 is about 11428.9496455274. The cubic root of 130620890 is about 507.3849092314.

The spelling of 130620890 in words is "one hundred thirty million, six hundred twenty thousand, eight hundred ninety".