1140667306 has 8 divisors (see below), whose sum is σ = 1711155204. Its totient is φ = 570282240.

The previous prime is 1140667303. The next prime is 1140667361. The reversal of 1140667306 is 6037660411.

It can be written as a sum of positive squares in 2 ways, for example, as 788767225 + 351900081 = 28085^2 + 18759^2 .

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

It is a super-2 number, since 2×1140667306² = 2602243805954595272, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1140667303) 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, 14776 + ... + 49996.

Almost surely, 2^1140667306 is an apocalyptic number.

1140667306 is a deficient number, since it is larger than the sum of its proper divisors (570487898).

1140667306 is a wasteful number, since it uses less digits than its factorization.

1140667306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51416.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 1140667306 is about 33773.7665355820. The cubic root of 1140667306 is about 1044.8477166433.

The spelling of 1140667306 in words is "one billion, one hundred forty million, six hundred sixty-seven thousand, three hundred six".