1394211140 has 96 divisors (see below), whose sum is σ = 3556949760. Its totient is φ = 449674752.

The previous prime is 1394211101. The next prime is 1394211173. The reversal of 1394211140 is 411124931.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 686807 + ... + 688833.

It is an arithmetic number, because the mean of its divisors is an integer number (37051560).

Almost surely, 2^1394211140 is an apocalyptic number.

1394211140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1394211140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1778474880).

1394211140 is an abundant number, since it is smaller than the sum of its proper divisors (2162738620).

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

1394211140 is a wasteful number, since it uses less digits than its factorization.

1394211140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2094 (or 2058 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 1394211140 is about 37339.1368405859. The cubic root of 1394211140 is about 1117.1449230316.

The spelling of 1394211140 in words is "one billion, three hundred ninety-four million, two hundred eleven thousand, one hundred forty".