1378109470 has 16 divisors (see below), whose sum is σ = 2482898688. Its totient is φ = 550732320.

The previous prime is 1378109461. The next prime is 1378109479. The reversal of 1378109470 is 749018731.

It is an interprime number because it is at equal distance from previous prime (1378109461) and next prime (1378109479).

It is a super-2 number, since 2×1378109470² = 3798371422607361800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1378109479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52521 + ... + 74260.

It is an arithmetic number, because the mean of its divisors is an integer number (155181168).

Almost surely, 2^1378109470 is an apocalyptic number.

1378109470 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1378109470 is a deficient number, since it is larger than the sum of its proper divisors (1104789218).

1378109470 is a wasteful number, since it uses less digits than its factorization.

1378109470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127875.

The product of its (nonzero) digits is 42336, while the sum is 40.

The square root of 1378109470 is about 37122.8968427842. The cubic root of 1378109470 is about 1112.8276444372.

The spelling of 1378109470 in words is "one billion, three hundred seventy-eight million, one hundred nine thousand, four hundred seventy".