130174021 has 2 divisors, whose sum is σ = 130174022. Its totient is φ = 130174020.

The previous prime is 130174003. The next prime is 130174039. The reversal of 130174021 is 120471031.

It is a balanced prime because it is at equal distance from previous prime (130174003) and next prime (130174039).

It can be written as a sum of positive squares in only one way, i.e., 68724100 + 61449921 = 8290^2 + 7839^2 .

It is an emirp because it is prime and its reverse (120471031) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 130174021 - 2¹⁹ = 129649733 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 130174021.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (130174091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65087010 + 65087011.

It is an arithmetic number, because the mean of its divisors is an integer number (65087011).

Almost surely, 2^130174021 is an apocalyptic number.

It is an amenable number.

130174021 is a deficient number, since it is larger than the sum of its proper divisors (1).

130174021 is an equidigital number, since it uses as much as digits as its factorization.

130174021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 168, while the sum is 19.

The square root of 130174021 is about 11409.3830245110. The cubic root of 130174021 is about 506.8056408841.

The spelling of 130174021 in words is "one hundred thirty million, one hundred seventy-four thousand, twenty-one".