1378141320 has 64 divisors (see below), whose sum is σ = 4137408000. Its totient is φ = 367239168.

The previous prime is 1378141319. The next prime is 1378141337. The reversal of 1378141320 is 231418731.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 207816 + ... + 214344.

It is an arithmetic number, because the mean of its divisors is an integer number (64647000).

Almost surely, 2^1378141320 is an apocalyptic number.

1378141320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1378141320 is an abundant number, since it is smaller than the sum of its proper divisors (2759266680).

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

1378141320 is a wasteful number, since it uses less digits than its factorization.

1378141320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8302 (or 8298 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 1378141320 is about 37123.3258208367. The cubic root of 1378141320 is about 1112.8362173622.

The spelling of 1378141320 in words is "one billion, three hundred seventy-eight million, one hundred forty-one thousand, three hundred twenty".