1140340013 has 4 divisors (see below), whose sum is σ = 1147336128. Its totient is φ = 1133343900.

The previous prime is 1140340007. The next prime is 1140340031. The reversal of 1140340013 is 3100430411.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1140340013 - 2⁸ = 1140339757 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1140339973 and 1140340000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1140340073) 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, 3497813 + ... + 3498138.

It is an arithmetic number, because the mean of its divisors is an integer number (286834032).

Almost surely, 2^1140340013 is an apocalyptic number.

It is an amenable number.

1140340013 is a deficient number, since it is larger than the sum of its proper divisors (6996115).

1140340013 is an equidigital number, since it uses as much as digits as its factorization.

1140340013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6996114.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 1140340013 is about 33768.9208148558. The cubic root of 1140340013 is about 1044.7477739593.

Adding to 1140340013 its reverse (3100430411), we get a palindrome (4240770424).

The spelling of 1140340013 in words is "one billion, one hundred forty million, three hundred forty thousand, thirteen".