1380640227 has 16 divisors (see below), whose sum is σ = 1976596992. Its totient is φ = 854080640.

The previous prime is 1380640223. The next prime is 1380640231. The reversal of 1380640227 is 7220460831.

It is an interprime number because it is at equal distance from previous prime (1380640223) and next prime (1380640231).

It is a cyclic number.

It is not a de Polignac number, because 1380640227 - 2² = 1380640223 is a prime.

It is a super-2 number, since 2×1380640227² = 3812334872821223058, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1380640223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 187023 + ... + 194264.

It is an arithmetic number, because the mean of its divisors is an integer number (123537312).

Almost surely, 2^1380640227 is an apocalyptic number.

1380640227 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

1380640227 is a deficient number, since it is larger than the sum of its proper divisors (595956765).

1380640227 is a wasteful number, since it uses less digits than its factorization.

1380640227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 381378.

The product of its (nonzero) digits is 16128, while the sum is 33.

The square root of 1380640227 is about 37156.9674085494. The cubic root of 1380640227 is about 1113.5084259044.

The spelling of 1380640227 in words is "one billion, three hundred eighty million, six hundred forty thousand, two hundred twenty-seven".