134423149 has 32 divisors (see below), whose sum is σ = 165381120. Its totient is φ = 106831872.

The previous prime is 134423141. The next prime is 134423173. The reversal of 134423149 is 941324431.

It is not a de Polignac number, because 134423149 - 2³ = 134423141 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 134423149.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134423141) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 696397 + ... + 696589.

It is an arithmetic number, because the mean of its divisors is an integer number (5168160).

Almost surely, 2^134423149 is an apocalyptic number.

It is an amenable number.

134423149 is a deficient number, since it is larger than the sum of its proper divisors (30957971).

134423149 is a wasteful number, since it uses less digits than its factorization.

134423149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 349.

The product of its digits is 10368, while the sum is 31.

The square root of 134423149 is about 11594.0997494415. The cubic root of 134423149 is about 512.2610731629.

The spelling of 134423149 in words is "one hundred thirty-four million, four hundred twenty-three thousand, one hundred forty-nine".