134712109 has 16 divisors (see below), whose sum is σ = 162938880. Its totient is φ = 108797040.

The previous prime is 134712107. The next prime is 134712113. The reversal of 134712109 is 901217431.

It is not a de Polignac number, because 134712109 - 2¹ = 134712107 is a prime.

It is a super-3 number, since 3×134712109³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134712103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22752 + ... + 28054.

It is an arithmetic number, because the mean of its divisors is an integer number (10183680).

Almost surely, 2^134712109 is an apocalyptic number.

134712109 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

134712109 is a deficient number, since it is larger than the sum of its proper divisors (28226771).

134712109 is a wasteful number, since it uses less digits than its factorization.

134712109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5520.

The product of its (nonzero) digits is 1512, while the sum is 28.

The square root of 134712109 is about 11606.5545705864. The cubic root of 134712109 is about 512.6278676782.

It can be divided in two parts, 1347 and 12109, that added together give a square (13456 = 116²).

The spelling of 134712109 in words is "one hundred thirty-four million, seven hundred twelve thousand, one hundred nine".