1384153780 has 24 divisors (see below), whose sum is σ = 2913454152. Its totient is φ = 552379392.

The previous prime is 1384153763. The next prime is 1384153811. The reversal of 1384153780 is 873514831.

1384153780 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 88585744 + 1295568036 = 9412^2 + 35994^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71257 + ... + 88576.

It is an arithmetic number, because the mean of its divisors is an integer number (121393923).

Almost surely, 2^1384153780 is an apocalyptic number.

1384153780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1384153780 is an abundant number, since it is smaller than the sum of its proper divisors (1529300372).

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

1384153780 is a wasteful number, since it uses less digits than its factorization.

1384153780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160275 (or 160273 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 40.

The square root of 1384153780 is about 37204.2172340717. The cubic root of 1384153780 is about 1114.4522046553.

The spelling of 1384153780 in words is "one billion, three hundred eighty-four million, one hundred fifty-three thousand, seven hundred eighty".