34945138 has 16 divisors (see below), whose sum is σ = 53430840. Its totient is φ = 17138176.

The previous prime is 34945109. The next prime is 34945151. The reversal of 34945138 is 83154943.

It can be written as a sum of positive squares in 4 ways, for example, as 31169889 + 3775249 = 5583^2 + 1943^2 .

It is a junction number, because it is equal to n+sod(n) for n = 34945097 and 34945106.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23670 + ... + 25102.

Almost surely, 2^34945138 is an apocalyptic number.

34945138 is a deficient number, since it is larger than the sum of its proper divisors (18485702).

34945138 is a wasteful number, since it uses less digits than its factorization.

34945138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1661.

The product of its digits is 51840, while the sum is 37.

The square root of 34945138 is about 5911.4412794174. The cubic root of 34945138 is about 326.9356299834.

The spelling of 34945138 in words is "thirty-four million, nine hundred forty-five thousand, one hundred thirty-eight".