134989907 has 8 divisors (see below), whose sum is σ = 147215040. Its totient is φ = 123027840.

The previous prime is 134989901. The next prime is 134989909. The reversal of 134989907 is 709989431.

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

It is not a de Polignac number, because 134989907 - 2⁴ = 134989891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (134989901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64694 + ... + 66747.

It is an arithmetic number, because the mean of its divisors is an integer number (18401880).

Almost surely, 2^134989907 is an apocalyptic number.

134989907 is a deficient number, since it is larger than the sum of its proper divisors (12225133).

134989907 is a wasteful number, since it uses less digits than its factorization.

134989907 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131533.

The product of its (nonzero) digits is 489888, while the sum is 50.

The square root of 134989907 is about 11618.5156969382. The cubic root of 134989907 is about 512.9799993976.

The spelling of 134989907 in words is "one hundred thirty-four million, nine hundred eighty-nine thousand, nine hundred seven".