189707013 has 24 divisors (see below), whose sum is σ = 292598592. Its totient is φ = 118153728.

The previous prime is 189706991. The next prime is 189707017. The reversal of 189707013 is 310707981.

189707013 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 189707013 - 2¹² = 189702917 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189707017) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1756 + ... + 19557.

It is an arithmetic number, because the mean of its divisors is an integer number (12191608).

Almost surely, 2^189707013 is an apocalyptic number.

It is an amenable number.

189707013 is a deficient number, since it is larger than the sum of its proper divisors (102891579).

189707013 is a wasteful number, since it uses less digits than its factorization.

189707013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21385 (or 21382 counting only the distinct ones).

The product of its (nonzero) digits is 10584, while the sum is 36.

The square root of 189707013 is about 13773.4168963261. The cubic root of 189707013 is about 574.5940555035.

The spelling of 189707013 in words is "one hundred eighty-nine million, seven hundred seven thousand, thirteen".