134989906 has 8 divisors (see below), whose sum is σ = 202535424. Its totient is φ = 67478100.

The previous prime is 134989901. The next prime is 134989909. The reversal of 134989906 is 609989431.

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

It is a self number, because there is not a number n which added to its sum of digits gives 134989906.

It is not an unprimeable number, because it can be changed into a prime (134989901) 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, 7951 + ... + 18253.

It is an arithmetic number, because the mean of its divisors is an integer number (25316928).

Almost surely, 2^134989906 is an apocalyptic number.

134989906 is a deficient number, since it is larger than the sum of its proper divisors (67545518).

134989906 is a wasteful number, since it uses less digits than its factorization.

134989906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16856.

The product of its (nonzero) digits is 419904, while the sum is 49.

The square root of 134989906 is about 11618.5156539035. The cubic root of 134989906 is about 512.9799981308.

The spelling of 134989906 in words is "one hundred thirty-four million, nine hundred eighty-nine thousand, nine hundred six".