100186013 has 2 divisors, whose sum is σ = 100186014. Its totient is φ = 100186012.

The previous prime is 100186007. The next prime is 100186027. The reversal of 100186013 is 310681001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 97555129 + 2630884 = 9877^2 + 1622^2 .

It is a cyclic number.

It is not a de Polignac number, because 100186013 - 2²⁴ = 83408797 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100186033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50093006 + 50093007.

It is an arithmetic number, because the mean of its divisors is an integer number (50093007).

Almost surely, 2^100186013 is an apocalyptic number.

It is an amenable number.

100186013 is a deficient number, since it is larger than the sum of its proper divisors (1).

100186013 is an equidigital number, since it uses as much as digits as its factorization.

100186013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 20.

The square root of 100186013 is about 10009.2963289134. The cubic root of 100186013 is about 464.4465037191.

The spelling of 100186013 in words is "one hundred million, one hundred eighty-six thousand, thirteen".