1380395403 has 12 divisors (see below), whose sum is σ = 1996534488. Its totient is φ = 919049760.

The previous prime is 1380395383. The next prime is 1380395437. The reversal of 1380395403 is 3045930831.

1380395403 is a `hidden beast` number, since 1 + 3 + 80 + 39 + 540 + 3 = 666.

It is not a de Polignac number, because 1380395403 - 2⁸ = 1380395147 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (1380395603) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 93925 + ... + 107622.

It is an arithmetic number, because the mean of its divisors is an integer number (166377874).

Almost surely, 2^1380395403 is an apocalyptic number.

1380395403 is a deficient number, since it is larger than the sum of its proper divisors (616139085).

1380395403 is a wasteful number, since it uses less digits than its factorization.

1380395403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202314 (or 202311 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The square root of 1380395403 is about 37153.6728063324. The cubic root of 1380395403 is about 1113.4426038563.

The spelling of 1380395403 in words is "one billion, three hundred eighty million, three hundred ninety-five thousand, four hundred three".