34138555 has 16 divisors (see below), whose sum is σ = 46635264. Its totient is φ = 23747680.

The previous prime is 34138547. The next prime is 34138561. The reversal of 34138555 is 55583143.

34138555 = 265² + 266² + ... + 494².

34138555 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 34138555 - 2³ = 34138547 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 34138555.

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 15 ways as a sum of consecutive naturals, for example, 12229 + ... + 14758.

It is an arithmetic number, because the mean of its divisors is an integer number (2914704).

Almost surely, 2^34138555 is an apocalyptic number.

34138555 is a deficient number, since it is larger than the sum of its proper divisors (12496709).

34138555 is a wasteful number, since it uses less digits than its factorization.

34138555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27026.

The product of its digits is 36000, while the sum is 34.

The square root of 34138555 is about 5842.8208084794. The cubic root of 34138555 is about 324.4006468535.

The spelling of 34138555 in words is "thirty-four million, one hundred thirty-eight thousand, five hundred fifty-five".