189790013 has 8 divisors (see below), whose sum is σ = 217496832. Its totient is φ = 162231696.

The previous prime is 189789953. The next prime is 189790019. The reversal of 189790013 is 310097981.

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

It is a cyclic number.

It is not a de Polignac number, because 189790013 - 2¹² = 189785917 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189790019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34370 + ... + 39507.

It is an arithmetic number, because the mean of its divisors is an integer number (27187104).

Almost surely, 2^189790013 is an apocalyptic number.

It is an amenable number.

189790013 is a deficient number, since it is larger than the sum of its proper divisors (27706819).

189790013 is an equidigital number, since it uses as much as digits as its factorization.

189790013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74251.

The product of its (nonzero) digits is 13608, while the sum is 38.

The square root of 189790013 is about 13776.4296172847. The cubic root of 189790013 is about 574.6778414643.

The spelling of 189790013 in words is "one hundred eighty-nine million, seven hundred ninety thousand, thirteen".