1067140345 has 4 divisors (see below), whose sum is σ = 1280568420. Its totient is φ = 853712272.

The previous prime is 1067140309. The next prime is 1067140351. The reversal of 1067140345 is 5430417601.

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

It can be written as a sum of positive squares in 2 ways, for example, as 364466281 + 702674064 = 19091^2 + 26508^2 .

It is a cyclic number.

It is not a de Polignac number, because 1067140345 - 2¹³ = 1067132153 is a prime.

It is a super-2 number, since 2×1067140345² = 2277577031853438050, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 106714030 + ... + 106714039.

It is an arithmetic number, because the mean of its divisors is an integer number (320142105).

Almost surely, 2^1067140345 is an apocalyptic number.

It is an amenable number.

1067140345 is a deficient number, since it is larger than the sum of its proper divisors (213428075).

1067140345 is an equidigital number, since it uses as much as digits as its factorization.

1067140345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213428074.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 1067140345 is about 32667.1141210851. The cubic root of 1067140345 is about 1021.8971308820.

Adding to 1067140345 its reverse (5430417601), we get a palindrome (6497557946).

The spelling of 1067140345 in words is "one billion, sixty-seven million, one hundred forty thousand, three hundred forty-five".