1396934685 has 24 divisors (see below), whose sum is σ = 2431503360. Its totient is φ = 741908832.

The previous prime is 1396934677. The next prime is 1396934699. The reversal of 1396934685 is 5864396931.

1396934685 is a `hidden beast` number, since 1 + 3 + 96 + 93 + 468 + 5 = 666.

It is not a de Polignac number, because 1396934685 - 2³ = 1396934677 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 54189 + ... + 75698.

It is an arithmetic number, because the mean of its divisors is an integer number (101312640).

Almost surely, 2^1396934685 is an apocalyptic number.

1396934685 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1396934685 is a deficient number, since it is larger than the sum of its proper divisors (1034568675).

1396934685 is a wasteful number, since it uses less digits than its factorization.

1396934685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130137 (or 130134 counting only the distinct ones).

The product of its digits is 4199040, while the sum is 54.

The square root of 1396934685 is about 37375.5894267903. The cubic root of 1396934685 is about 1117.8718849976.

The spelling of 1396934685 in words is "one billion, three hundred ninety-six million, nine hundred thirty-four thousand, six hundred eighty-five".