188729013 has 32 divisors (see below), whose sum is σ = 285696000. Its totient is φ = 109771200.

The previous prime is 188729003. The next prime is 188729029. The reversal of 188729013 is 310927881.

It is not a de Polignac number, because 188729013 - 2¹³ = 188720821 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (188729003) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 189948 + ... + 190938.

It is an arithmetic number, because the mean of its divisors is an integer number (8928000).

Almost surely, 2^188729013 is an apocalyptic number.

It is an amenable number.

188729013 is a deficient number, since it is larger than the sum of its proper divisors (96966987).

188729013 is a wasteful number, since it uses less digits than its factorization.

188729013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1233.

The product of its (nonzero) digits is 24192, while the sum is 39.

The square root of 188729013 is about 13737.8678476684. The cubic root of 188729013 is about 573.6049487843.

The spelling of 188729013 in words is "one hundred eighty-eight million, seven hundred twenty-nine thousand, thirteen".