707771138 has 8 divisors (see below), whose sum is σ = 1062126588. Its totient is φ = 353728944.

The previous prime is 707771131. The next prime is 707771143. The reversal of 707771138 is 831177707.

707771138 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 707719609 + 51529 = 26603^2 + 227^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 707771095 and 707771104.

It is not an unprimeable number, because it can be changed into a prime (707771131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72581 + ... + 81752.

Almost surely, 2^707771138 is an apocalyptic number.

707771138 is a deficient number, since it is larger than the sum of its proper divisors (354355450).

707771138 is a wasteful number, since it uses less digits than its factorization.

707771138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156628.

The product of its (nonzero) digits is 57624, while the sum is 41.

The square root of 707771138 is about 26603.9684633703. The cubic root of 707771138 is about 891.1776431826.

The spelling of 707771138 in words is "seven hundred seven million, seven hundred seventy-one thousand, one hundred thirty-eight".