1140254405 has 8 divisors (see below), whose sum is σ = 1370437152. Its totient is φ = 910782288.

The previous prime is 1140254399. The next prime is 1140254459. The reversal of 1140254405 is 5044520411.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1140254405 - 2⁸ = 1140254149 is a prime.

It is a Duffinian number.

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, 174119 + ... + 180548.

It is an arithmetic number, because the mean of its divisors is an integer number (171304644).

Almost surely, 2^1140254405 is an apocalyptic number.

It is an amenable number.

1140254405 is a deficient number, since it is larger than the sum of its proper divisors (230182747).

1140254405 is an equidigital number, since it uses as much as digits as its factorization.

1140254405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355315.

The product of its (nonzero) digits is 3200, while the sum is 26.

The square root of 1140254405 is about 33767.6532350118. The cubic root of 1140254405 is about 1044.7216294163.

Adding to 1140254405 its reverse (5044520411), we get a palindrome (6184774816).

The spelling of 1140254405 in words is "one billion, one hundred forty million, two hundred fifty-four thousand, four hundred five".