34157138 has 16 divisors (see below), whose sum is σ = 52267680. Its totient is φ = 16737696.

The previous prime is 34157129. The next prime is 34157143. The reversal of 34157138 is 83175143.

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, 25481 + ... + 26787.

It is an arithmetic number, because the mean of its divisors is an integer number (3266730).

Almost surely, 2^34157138 is an apocalyptic number.

34157138 is a deficient number, since it is larger than the sum of its proper divisors (18110542).

34157138 is a wasteful number, since it uses less digits than its factorization.

34157138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1561.

The product of its digits is 10080, while the sum is 32.

The square root of 34157138 is about 5844.4108342929. The cubic root of 34157138 is about 324.4594976527.

The spelling of 34157138 in words is "thirty-four million, one hundred fifty-seven thousand, one hundred thirty-eight".