1140648415 has 4 divisors (see below), whose sum is σ = 1368778104. Its totient is φ = 912518728.

The previous prime is 1140648391. The next prime is 1140648427. The reversal of 1140648415 is 5148460411.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5148460411 = 137 ⋅37580003.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1140648415 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 3 ways as a sum of consecutive naturals, for example, 114064837 + ... + 114064846.

It is an arithmetic number, because the mean of its divisors is an integer number (342194526).

Almost surely, 2^1140648415 is an apocalyptic number.

1140648415 is a deficient number, since it is larger than the sum of its proper divisors (228129689).

1140648415 is an equidigital number, since it uses as much as digits as its factorization.

1140648415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228129688.

The product of its (nonzero) digits is 15360, while the sum is 34.

The square root of 1140648415 is about 33773.4868646991. The cubic root of 1140648415 is about 1044.8419485790.

The spelling of 1140648415 in words is "one billion, one hundred forty million, six hundred forty-eight thousand, four hundred fifteen".