1380476365 has 16 divisors (see below), whose sum is σ = 1674432000. Its totient is φ = 1092512512.

The previous prime is 1380476341. The next prime is 1380476393. The reversal of 1380476365 is 5636740831.

It is a cyclic number.

It is not a de Polignac number, because 1380476365 - 2⁹ = 1380475853 is a prime.

It is a super-2 number, since 2×1380476365² = 3811429988647226450, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 336396 + ... + 340474.

It is an arithmetic number, because the mean of its divisors is an integer number (104652000).

Almost surely, 2^1380476365 is an apocalyptic number.

It is an amenable number.

1380476365 is a deficient number, since it is larger than the sum of its proper divisors (293955635).

1380476365 is a wasteful number, since it uses less digits than its factorization.

1380476365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4796.

The product of its (nonzero) digits is 362880, while the sum is 43.

The square root of 1380476365 is about 37154.7623461650. The cubic root of 1380476365 is about 1113.4643717202.

The spelling of 1380476365 in words is "one billion, three hundred eighty million, four hundred seventy-six thousand, three hundred sixty-five".