1394274023 has 16 divisors (see below), whose sum is σ = 1506173760. Its totient is φ = 1285963776.

The previous prime is 1394273987. The next prime is 1394274031. The reversal of 1394274023 is 3204724931.

It is a de Polignac number, because none of the positive numbers 2^k-1394274023 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1394274083) 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 15 ways as a sum of consecutive naturals, for example, 165743 + ... + 173951.

It is an arithmetic number, because the mean of its divisors is an integer number (94135860).

Almost surely, 2^1394274023 is an apocalyptic number.

1394274023 is a deficient number, since it is larger than the sum of its proper divisors (111899737).

1394274023 is a wasteful number, since it uses less digits than its factorization.

1394274023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8426.

The product of its (nonzero) digits is 36288, while the sum is 35.

The square root of 1394274023 is about 37339.9788832292. The cubic root of 1394274023 is about 1117.1617182802.

Adding to 1394274023 its reverse (3204724931), we get a palindrome (4598998954).

The spelling of 1394274023 in words is "one billion, three hundred ninety-four million, two hundred seventy-four thousand, twenty-three".