1394645908 has 12 divisors (see below), whose sum is σ = 2440940320. Its totient is φ = 697234392.

The previous prime is 1394645897. The next prime is 1394645909. The reversal of 1394645908 is 8095464931.

It is a happy number.

It is a super-2 number, since 2×1394645908² = 3890074417402288928, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1394645909) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 23953 + ... + 57991.

Almost surely, 2^1394645908 is an apocalyptic number.

It is an amenable number.

1394645908 is a deficient number, since it is larger than the sum of its proper divisors (1046294412).

1394645908 is a wasteful number, since it uses less digits than its factorization.

1394645908 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44286 (or 44284 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 49.

The square root of 1394645908 is about 37344.9582674824. The cubic root of 1394645908 is about 1117.2610337057.

The spelling of 1394645908 in words is "one billion, three hundred ninety-four million, six hundred forty-five thousand, nine hundred eight".