1140383385 has 36 divisors (see below), whose sum is σ = 2047243692. Its totient is φ = 587212416.

The previous prime is 1140383357. The next prime is 1140383393. The reversal of 1140383385 is 5833830411.

1140383385 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 6 ways, for example, as 24088464 + 1116294921 = 4908^2 + 33411^2 .

It is not a de Polignac number, because 1140383385 - 2²⁵ = 1106828953 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 22779 + ... + 52911.

Almost surely, 2^1140383385 is an apocalyptic number.

1140383385 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1140383385 is a deficient number, since it is larger than the sum of its proper divisors (906860307).

1140383385 is a wasteful number, since it uses less digits than its factorization.

1140383385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30202 (or 30170 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 1140383385 is about 33769.5629968763. The cubic root of 1140383385 is about 1044.7610191977.

The spelling of 1140383385 in words is "one billion, one hundred forty million, three hundred eighty-three thousand, three hundred eighty-five".