1393912130 has 16 divisors (see below), whose sum is σ = 2702045304. Its totient is φ = 514675200.

The previous prime is 1393912073. The next prime is 1393912139. The reversal of 1393912130 is 312193931.

It can be written as a sum of positive squares in 4 ways, for example, as 377641489 + 1016270641 = 19433^2 + 31879^2 .

It is a super-2 number, since 2×1393912130² = 3885982052322273800, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1393912139) 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 7 ways as a sum of consecutive naturals, for example, 5361071 + ... + 5361330.

Almost surely, 2^1393912130 is an apocalyptic number.

1393912130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1393912130 is a deficient number, since it is larger than the sum of its proper divisors (1308133174).

1393912130 is a wasteful number, since it uses less digits than its factorization.

1393912130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10722421.

The product of its (nonzero) digits is 4374, while the sum is 32.

The square root of 1393912130 is about 37335.1326500925. The cubic root of 1393912130 is about 1117.0650543573.

The spelling of 1393912130 in words is "one billion, three hundred ninety-three million, nine hundred twelve thousand, one hundred thirty".