134378149 has 8 divisors (see below), whose sum is σ = 146873088. Its totient is φ = 122393280.

The previous prime is 134378129. The next prime is 134378171. The reversal of 134378149 is 941873431.

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

It is a cyclic number.

It is not a de Polignac number, because 134378149 - 2¹¹ = 134376101 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 (134378129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 126967 + ... + 128020.

It is an arithmetic number, because the mean of its divisors is an integer number (18359136).

Almost surely, 2^134378149 is an apocalyptic number.

It is an amenable number.

134378149 is a deficient number, since it is larger than the sum of its proper divisors (12494939).

134378149 is a wasteful number, since it uses less digits than its factorization.

134378149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255035.

The product of its digits is 72576, while the sum is 40.

The square root of 134378149 is about 11592.1589447350. The cubic root of 134378149 is about 512.2039046340.

The spelling of 134378149 in words is "one hundred thirty-four million, three hundred seventy-eight thousand, one hundred forty-nine".