1378892970 has 240 divisors, whose sum is σ = 4591572480. Its totient is φ = 290729088.

The previous prime is 1378892969. The next prime is 1378892993. The reversal of 1378892970 is 792988731.

It is a Harshad number since it is a multiple of its sum of digits (54).

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 119 ways as a sum of consecutive naturals, for example, 957511 + ... + 958949.

It is an arithmetic number, because the mean of its divisors is an integer number (19131552).

Almost surely, 2^1378892970 is an apocalyptic number.

1378892970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1378892970, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2295786240).

1378892970 is an abundant number, since it is smaller than the sum of its proper divisors (3212679510).

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

1378892970 is a wasteful number, since it uses less digits than its factorization.

1378892970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1491 (or 1469 counting only the distinct ones).

The product of its (nonzero) digits is 1524096, while the sum is 54.

The square root of 1378892970 is about 37133.4481296849. The cubic root of 1378892970 is about 1113.0384973716.

The spelling of 1378892970 in words is "one billion, three hundred seventy-eight million, eight hundred ninety-two thousand, nine hundred seventy".