134423155 has 8 divisors (see below), whose sum is σ = 168321312. Its totient is φ = 102862848.

The previous prime is 134423141. The next prime is 134423173. The reversal of 134423155 is 551324431.

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 134423155 - 2⁵ = 134423123 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 584334 + ... + 584563.

It is an arithmetic number, because the mean of its divisors is an integer number (21040164).

Almost surely, 2^134423155 is an apocalyptic number.

134423155 is a deficient number, since it is larger than the sum of its proper divisors (33898157).

134423155 is a wasteful number, since it uses less digits than its factorization.

134423155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1168925.

The product of its digits is 7200, while the sum is 28.

The square root of 134423155 is about 11594.1000081938. The cubic root of 134423155 is about 512.2610807846.

Adding to 134423155 its reverse (551324431), we get a palindrome (685747586).

The spelling of 134423155 in words is "one hundred thirty-four million, four hundred twenty-three thousand, one hundred fifty-five".