1394919912 has 64 divisors (see below), whose sum is σ = 3561122880. Its totient is φ = 455232512.

The previous prime is 1394919907. The next prime is 1394919913. The reversal of 1394919912 is 2199194931.

It is a happy number.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (1394919913) 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, 221998 + ... + 228194.

It is an arithmetic number, because the mean of its divisors is an integer number (55642545).

Almost surely, 2^1394919912 is an apocalyptic number.

1394919912 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1394919912 is an abundant number, since it is smaller than the sum of its proper divisors (2166202968).

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

1394919912 is a wasteful number, since it uses less digits than its factorization.

1394919912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6402 (or 6398 counting only the distinct ones).

The product of its digits is 157464, while the sum is 48.

The square root of 1394919912 is about 37348.6266414175. The cubic root of 1394919912 is about 1117.3341977837.

The spelling of 1394919912 in words is "one billion, three hundred ninety-four million, nine hundred nineteen thousand, nine hundred twelve".