130494021 has 16 divisors (see below), whose sum is σ = 203699328. Its totient is φ = 72748800.

The previous prime is 130493999. The next prime is 130494053. The reversal of 130494021 is 120494031.

It is not a de Polignac number, because 130494021 - 2²⁵ = 96939589 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 130493982 and 130494000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130493021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74920 + ... + 76641.

It is an arithmetic number, because the mean of its divisors is an integer number (12731208).

Almost surely, 2^130494021 is an apocalyptic number.

It is an amenable number.

130494021 is a deficient number, since it is larger than the sum of its proper divisors (73205307).

130494021 is a wasteful number, since it uses less digits than its factorization.

130494021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151612.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 130494021 is about 11423.3979620777. The cubic root of 130494021 is about 507.2205856735.

The spelling of 130494021 in words is "one hundred thirty million, four hundred ninety-four thousand, twenty-one".