851136074 has 16 divisors (see below), whose sum is σ = 1284481800. Its totient is φ = 422983680.

The previous prime is 851136073. The next prime is 851136079. The reversal of 851136074 is 470631158.

It can be written as a sum of positive squares in 4 ways, for example, as 843612025 + 7524049 = 29045^2 + 2743^2 .

It is not an unprimeable number, because it can be changed into a prime (851136073) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 250652 + ... + 254024.

Almost surely, 2^851136074 is an apocalyptic number.

851136074 is a deficient number, since it is larger than the sum of its proper divisors (433345726).

851136074 is a wasteful number, since it uses less digits than its factorization.

851136074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4105.

The product of its (nonzero) digits is 20160, while the sum is 35.

The square root of 851136074 is about 29174.2364767272. The cubic root of 851136074 is about 947.6900755067.

The spelling of 851136074 in words is "eight hundred fifty-one million, one hundred thirty-six thousand, seventy-four".