834136874 has 4 divisors (see below), whose sum is σ = 1251205314. Its totient is φ = 417068436.

The previous prime is 834136861. The next prime is 834136903. The reversal of 834136874 is 478631438.

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

It can be written as a sum of positive squares in only one way, i.e., 795634849 + 38502025 = 28207^2 + 6205^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 208534217 + ... + 208534220.

Almost surely, 2^834136874 is an apocalyptic number.

834136874 is a deficient number, since it is larger than the sum of its proper divisors (417068440).

834136874 is a wasteful number, since it uses less digits than its factorization.

834136874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 417068439.

The product of its digits is 387072, while the sum is 44.

The square root of 834136874 is about 28881.4278386648. The cubic root of 834136874 is about 941.3383960033.

The spelling of 834136874 in words is "eight hundred thirty-four million, one hundred thirty-six thousand, eight hundred seventy-four".