1382054399 has 4 divisors (see below), whose sum is σ = 1507695720. Its totient is φ = 1256413080.

The previous prime is 1382054339. The next prime is 1382054413. The reversal of 1382054399 is 9934502831.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1382054399 - 2¹⁶ = 1381988863 is a prime.

It is a super-3 number, since 3×1382054399³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1382054329) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62820644 + ... + 62820665.

It is an arithmetic number, because the mean of its divisors is an integer number (376923930).

Almost surely, 2^1382054399 is an apocalyptic number.

1382054399 is a deficient number, since it is larger than the sum of its proper divisors (125641321).

1382054399 is a wasteful number, since it uses less digits than its factorization.

1382054399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125641320.

The product of its (nonzero) digits is 233280, while the sum is 44.

The square root of 1382054399 is about 37175.9922396161. The cubic root of 1382054399 is about 1113.8884802847. Note that the first 3 decimals are identical.

The spelling of 1382054399 in words is "one billion, three hundred eighty-two million, fifty-four thousand, three hundred ninety-nine".