1140407347 has 4 divisors (see below), whose sum is σ = 1141399296. Its totient is φ = 1139415400.

The previous prime is 1140407327. The next prime is 1140407351. The reversal of 1140407347 is 7437040411.

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 1140407347 - 2¹⁵ = 1140374579 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1140407327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 494248 + ... + 496549.

It is an arithmetic number, because the mean of its divisors is an integer number (285349824).

Almost surely, 2^1140407347 is an apocalyptic number.

1140407347 is a deficient number, since it is larger than the sum of its proper divisors (991949).

1140407347 is an equidigital number, since it uses as much as digits as its factorization.

1140407347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 991948.

The product of its (nonzero) digits is 9408, while the sum is 31.

The square root of 1140407347 is about 33769.9177819550. The cubic root of 1140407347 is about 1044.7683367333.

Adding to 1140407347 its reverse (7437040411), we get a palindrome (8577447758).

The spelling of 1140407347 in words is "one billion, one hundred forty million, four hundred seven thousand, three hundred forty-seven".