134320555 has 4 divisors (see below), whose sum is σ = 161184672. Its totient is φ = 107456440.

The previous prime is 134320541. The next prime is 134320561. The reversal of 134320555 is 555023431.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 134320555 - 2¹¹ = 134318507 is a prime.

It is a super-2 number, since 2×134320555² = 36084022991016050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13432051 + ... + 13432060.

It is an arithmetic number, because the mean of its divisors is an integer number (40296168).

Almost surely, 2^134320555 is an apocalyptic number.

134320555 is a deficient number, since it is larger than the sum of its proper divisors (26864117).

134320555 is an equidigital number, since it uses as much as digits as its factorization.

134320555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26864116.

The product of its (nonzero) digits is 9000, while the sum is 28.

The square root of 134320555 is about 11589.6744993119. The cubic root of 134320555 is about 512.1307179157.

Adding to 134320555 its reverse (555023431), we get a palindrome (689343986).

The spelling of 134320555 in words is "one hundred thirty-four million, three hundred twenty thousand, five hundred fifty-five".