134955109 has 4 divisors (see below), whose sum is σ = 136149516. Its totient is φ = 133760704.

The previous prime is 134955101. The next prime is 134955127. The reversal of 134955109 is 901559431.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 901559431 = 101 ⋅8926331.

It can be written as a sum of positive squares in 2 ways, for example, as 8392609 + 126562500 = 2897^2 + 11250^2 .

It is a cyclic number.

It is not a de Polignac number, because 134955109 - 2³ = 134955101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134955101) 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, 597034 + ... + 597259.

It is an arithmetic number, because the mean of its divisors is an integer number (34037379).

Almost surely, 2^134955109 is an apocalyptic number.

It is an amenable number.

134955109 is a deficient number, since it is larger than the sum of its proper divisors (1194407).

134955109 is a wasteful number, since it uses less digits than its factorization.

134955109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1194406.

The product of its (nonzero) digits is 24300, while the sum is 37.

The square root of 134955109 is about 11617.0180769421. The cubic root of 134955109 is about 512.9359165657.

The spelling of 134955109 in words is "one hundred thirty-four million, nine hundred fifty-five thousand, one hundred nine".