1394440229 has 32 divisors (see below), whose sum is σ = 1840769280. Its totient is φ = 1025436672.

The previous prime is 1394440199. The next prime is 1394440231. The reversal of 1394440229 is 9220444931.

It is not a de Polignac number, because 1394440229 - 2¹⁶ = 1394374693 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1394440192 and 1394440201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1394440129) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 84029 + ... + 99245.

It is an arithmetic number, because the mean of its divisors is an integer number (57524040).

Almost surely, 2^1394440229 is an apocalyptic number.

1394440229 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

1394440229 is a deficient number, since it is larger than the sum of its proper divisors (446329051).

1394440229 is a wasteful number, since it uses less digits than its factorization.

1394440229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15309.

The product of its (nonzero) digits is 62208, while the sum is 38.

The square root of 1394440229 is about 37342.2043939562. The cubic root of 1394440229 is about 1117.2061073553.

The spelling of 1394440229 in words is "one billion, three hundred ninety-four million, four hundred forty thousand, two hundred twenty-nine".