1394939270 has 16 divisors (see below), whose sum is σ = 2523639888. Its totient is φ = 555142560.

The previous prime is 1394939243. The next prime is 1394939291. The reversal of 1394939270 is 729394931.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 352076 + ... + 356015.

It is an arithmetic number, because the mean of its divisors is an integer number (157727493).

Almost surely, 2^1394939270 is an apocalyptic number.

1394939270 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1394939270 is a deficient number, since it is larger than the sum of its proper divisors (1128700618).

1394939270 is a wasteful number, since it uses less digits than its factorization.

1394939270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 708295.

The product of its (nonzero) digits is 367416, while the sum is 47.

The square root of 1394939270 is about 37348.8857932871. The cubic root of 1394939270 is about 1117.3393663613.

The spelling of 1394939270 in words is "one billion, three hundred ninety-four million, nine hundred thirty-nine thousand, two hundred seventy".