1394348274 has 144 divisors (see below), whose sum is σ = 3537293760. Its totient is φ = 392895360.

The previous prime is 1394348273. The next prime is 1394348299. The reversal of 1394348274 is 4728434931.

1394348274 is a `hidden beast` number, since 1 + 39 + 4 + 348 + 274 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1394348273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 12792132 + ... + 12792240.

It is an arithmetic number, because the mean of its divisors is an integer number (24564540).

Almost surely, 2^1394348274 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1394348274, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1768646880).

1394348274 is an abundant number, since it is smaller than the sum of its proper divisors (2142945486).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1394348274 is a wasteful number, since it uses less digits than its factorization.

1394348274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257 (or 201 counting only the distinct ones).

The product of its digits is 580608, while the sum is 45.

The square root of 1394348274 is about 37340.9731260448. The cubic root of 1394348274 is about 1117.1815491266.

The spelling of 1394348274 in words is "one billion, three hundred ninety-four million, three hundred forty-eight thousand, two hundred seventy-four".