1396140430 has 16 divisors (see below), whose sum is σ = 2529921600. Its totient is φ = 554707552.

The previous prime is 1396140401. The next prime is 1396140437. The reversal of 1396140430 is 340416931.

It is a junction number, because it is equal to n+sod(n) for n = 1396140392 and 1396140401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1396140437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 467014 + ... + 469993.

It is an arithmetic number, because the mean of its divisors is an integer number (158120100).

Almost surely, 2^1396140430 is an apocalyptic number.

1396140430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1396140430 is a deficient number, since it is larger than the sum of its proper divisors (1133781170).

1396140430 is a wasteful number, since it uses less digits than its factorization.

1396140430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 937163.

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 1396140430 is about 37364.9625986699. The cubic root of 1396140430 is about 1117.6599820672.

The spelling of 1396140430 in words is "one billion, three hundred ninety-six million, one hundred forty thousand, four hundred thirty".