1396000278 has 32 divisors (see below), whose sum is σ = 3130696800. Its totient is φ = 461062368.

The previous prime is 1396000273. The next prime is 1396000279. The reversal of 1396000278 is 8720006931.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1396000273) 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, 112701 + ... + 124472.

It is an arithmetic number, because the mean of its divisors is an integer number (97834275).

Almost surely, 2^1396000278 is an apocalyptic number.

1396000278 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1396000278 is an abundant number, since it is smaller than the sum of its proper divisors (1734696522).

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

1396000278 is a wasteful number, since it uses less digits than its factorization.

1396000278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237293 (or 237287 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 1396000278 is about 37363.0871047883. The cubic root of 1396000278 is about 1117.6225819317.

The spelling of 1396000278 in words is "one billion, three hundred ninety-six million, two hundred seventy-eight", and thus it is an aban number.