130021654 has 8 divisors (see below), whose sum is σ = 222894288. Its totient is φ = 55723560.

The previous prime is 130021651. The next prime is 130021679. The reversal of 130021654 is 456120031.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130021651) by changing a digit.

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, 4643617 + ... + 4643644.

It is an arithmetic number, because the mean of its divisors is an integer number (27861786).

Almost surely, 2^130021654 is an apocalyptic number.

130021654 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

130021654 is a deficient number, since it is larger than the sum of its proper divisors (92872634).

130021654 is an equidigital number, since it uses as much as digits as its factorization.

130021654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9287270.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 130021654 is about 11402.7038021690. The cubic root of 130021654 is about 506.6078272123.

Adding to 130021654 its reverse (456120031), we get a palindrome (586141685).

The spelling of 130021654 in words is "one hundred thirty million, twenty-one thousand, six hundred fifty-four".