1394315229 has 4 divisors (see below), whose sum is σ = 1859086976. Its totient is φ = 929543484.

The previous prime is 1394315189. The next prime is 1394315243. The reversal of 1394315229 is 9225134931.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1394315229 - 2¹⁷ = 1394184157 is a prime.

It is a super-2 number, since 2×1394315229² = 3888229915642644882, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1394315929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 232385869 + ... + 232385874.

It is an arithmetic number, because the mean of its divisors is an integer number (464771744).

Almost surely, 2^1394315229 is an apocalyptic number.

It is an amenable number.

1394315229 is a deficient number, since it is larger than the sum of its proper divisors (464771747).

1394315229 is an equidigital number, since it uses as much as digits as its factorization.

1394315229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 464771746.

The product of its digits is 58320, while the sum is 39.

The square root of 1394315229 is about 37340.5306470061. The cubic root of 1394315229 is about 1117.1727236042.

The spelling of 1394315229 in words is "one billion, three hundred ninety-four million, three hundred fifteen thousand, two hundred twenty-nine".