1361066145 has 8 divisors (see below), whose sum is σ = 2177705856. Its totient is φ = 725901936.

The previous prime is 1361066141. The next prime is 1361066167. The reversal of 1361066145 is 5416601631.

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

It is not a de Polignac number, because 1361066145 - 2² = 1361066141 is a prime.

It is a super-2 number, since 2×1361066145² = 3705002102130322050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1361066141) 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, 45368857 + ... + 45368886.

It is an arithmetic number, because the mean of its divisors is an integer number (272213232).

Almost surely, 2^1361066145 is an apocalyptic number.

1361066145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1361066145 is a deficient number, since it is larger than the sum of its proper divisors (816639711).

1361066145 is an equidigital number, since it uses as much as digits as its factorization.

1361066145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90737751.

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 1361066145 is about 36892.6299550466. The cubic root of 1361066145 is about 1108.2210894051.

Adding to 1361066145 its reverse (5416601631), we get a palindrome (6777667776).

The spelling of 1361066145 in words is "one billion, three hundred sixty-one million, sixty-six thousand, one hundred forty-five".