1068138770 has 32 divisors (see below), whose sum is σ = 2027203200. Its totient is φ = 404096256.

The previous prime is 1068138769. The next prime is 1068138793. The reversal of 1068138770 is 778318601.

It is a super-2 number, since 2×1068138770² = 2281840863954225800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 118586 + ... + 127274.

It is an arithmetic number, because the mean of its divisors is an integer number (63350100).

Almost surely, 2^1068138770 is an apocalyptic number.

1068138770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1068138770 is a deficient number, since it is larger than the sum of its proper divisors (959064430).

1068138770 is a wasteful number, since it uses less digits than its factorization.

1068138770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9362.

The product of its (nonzero) digits is 56448, while the sum is 41.

The square root of 1068138770 is about 32682.3923542938. The cubic root of 1068138770 is about 1022.2157299043.

The spelling of 1068138770 in words is "one billion, sixty-eight million, one hundred thirty-eight thousand, seven hundred seventy".