134405555 has 8 divisors (see below), whose sum is σ = 161413344. Its totient is φ = 107440000.

The previous prime is 134405549. The next prime is 134405561. The reversal of 134405555 is 555504431.

It is an interprime number because it is at equal distance from previous prime (134405549) and next prime (134405561).

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

It is not a de Polignac number, because 134405555 - 2²⁴ = 117628339 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3071 + ... + 16680.

It is an arithmetic number, because the mean of its divisors is an integer number (20176668).

Almost surely, 2^134405555 is an apocalyptic number.

134405555 is a deficient number, since it is larger than the sum of its proper divisors (27007789).

134405555 is a wasteful number, since it uses less digits than its factorization.

134405555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21117.

The product of its (nonzero) digits is 30000, while the sum is 32.

The square root of 134405555 is about 11593.3409766124. The cubic root of 134405555 is about 512.2387230578.

Adding to 134405555 its reverse (555504431), we get a palindrome (689909986).

The spelling of 134405555 in words is "one hundred thirty-four million, four hundred five thousand, five hundred fifty-five".