189137458 has 8 divisors (see below), whose sum is σ = 286460928. Its totient is φ = 93650484.

The previous prime is 189137453. The next prime is 189137503. The reversal of 189137458 is 854731981.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (189137453) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 458866 + ... + 459277.

It is an arithmetic number, because the mean of its divisors is an integer number (35807616).

Almost surely, 2^189137458 is an apocalyptic number.

189137458 is a deficient number, since it is larger than the sum of its proper divisors (97323470).

189137458 is a wasteful number, since it uses less digits than its factorization.

189137458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 918248.

The product of its digits is 241920, while the sum is 46.

The square root of 189137458 is about 13752.7254753376. The cubic root of 189137458 is about 574.0184468813.

The spelling of 189137458 in words is "one hundred eighty-nine million, one hundred thirty-seven thousand, four hundred fifty-eight".