38146013 has 2 divisors, whose sum is σ = 38146014. Its totient is φ = 38146012.

The previous prime is 38146007. The next prime is 38146063. The reversal of 38146013 is 31064183.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 34316164 + 3829849 = 5858^2 + 1957^2 .

It is a cyclic number.

It is not a de Polignac number, because 38146013 - 2⁴ = 38145997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38146063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19073006 + 19073007.

It is an arithmetic number, because the mean of its divisors is an integer number (19073007).

Almost surely, 2^38146013 is an apocalyptic number.

It is an amenable number.

38146013 is a deficient number, since it is larger than the sum of its proper divisors (1).

38146013 is an equidigital number, since it uses as much as digits as its factorization.

38146013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 38146013 is about 6176.2458662200. The cubic root of 38146013 is about 336.6275974443.

The spelling of 38146013 in words is "thirty-eight million, one hundred forty-six thousand, thirteen".