1386941049 has 40 divisors (see below), whose sum is σ = 2283186752. Its totient is φ = 833626080.

The previous prime is 1386941033. The next prime is 1386941053. The reversal of 1386941049 is 9401496831.

1386941049 is a `hidden beast` number, since 138 + 69 + 410 + 49 = 666.

It is not a de Polignac number, because 1386941049 - 2⁴ = 1386941033 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1386940995 and 1386941013.

It is not an unprimeable number, because it can be changed into a prime (1386941029) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 29964 + ... + 60594.

Almost surely, 2^1386941049 is an apocalyptic number.

It is an amenable number.

1386941049 is a deficient number, since it is larger than the sum of its proper divisors (896245703).

1386941049 is a wasteful number, since it uses less digits than its factorization.

1386941049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30699 (or 30690 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 45.

The square root of 1386941049 is about 37241.6574416338. The cubic root of 1386941049 is about 1115.1997601702.

The spelling of 1386941049 in words is "one billion, three hundred eighty-six million, nine hundred forty-one thousand, forty-nine".