1394421069 has 16 divisors (see below), whose sum is σ = 1944000000. Its totient is φ = 887392176.

The previous prime is 1394421053. The next prime is 1394421097. The reversal of 1394421069 is 9601244931.

It is not a de Polignac number, because 1394421069 - 2⁴ = 1394421053 is a prime.

It is a super-2 number, since 2×1394421069² = 3888820235342205522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1394421019) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14182 + ... + 54680.

It is an arithmetic number, because the mean of its divisors is an integer number (121500000).

Almost surely, 2^1394421069 is an apocalyptic number.

It is an amenable number.

1394421069 is a deficient number, since it is larger than the sum of its proper divisors (549578931).

1394421069 is a wasteful number, since it uses less digits than its factorization.

1394421069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41024.

The product of its (nonzero) digits is 46656, while the sum is 39.

The square root of 1394421069 is about 37341.9478468920. The cubic root of 1394421069 is about 1117.2009904234.

The spelling of 1394421069 in words is "one billion, three hundred ninety-four million, four hundred twenty-one thousand, sixty-nine".