1380226811 has 8 divisors (see below), whose sum is σ = 1384586160. Its totient is φ = 1375875072.

The previous prime is 1380226807. The next prime is 1380226831. The reversal of 1380226811 is 1186220831.

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

It is a cyclic number.

It is not a de Polignac number, because 1380226811 - 2² = 1380226807 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1380226831) 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, 735971 + ... + 737843.

It is an arithmetic number, because the mean of its divisors is an integer number (173073270).

Almost surely, 2^1380226811 is an apocalyptic number.

1380226811 is a deficient number, since it is larger than the sum of its proper divisors (4359349).

1380226811 is a wasteful number, since it uses less digits than its factorization.

1380226811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3805.

The product of its (nonzero) digits is 4608, while the sum is 32.

The square root of 1380226811 is about 37151.4038900282. The cubic root of 1380226811 is about 1113.3972726037.

The spelling of 1380226811 in words is "one billion, three hundred eighty million, two hundred twenty-six thousand, eight hundred eleven".