1140408747 has 48 divisors (see below), whose sum is σ = 1860986880. Its totient is φ = 688807152.

The previous prime is 1140408713. The next prime is 1140408751. The reversal of 1140408747 is 7478040411.

1140408747 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1140408747 - 2⁶ = 1140408683 is a prime.

It is a super-2 number, since 2×1140408747² = 2601064220468220018, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1140408707) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 221638 + ... + 226724.

It is an arithmetic number, because the mean of its divisors is an integer number (38770560).

Almost surely, 2^1140408747 is an apocalyptic number.

1140408747 is a deficient number, since it is larger than the sum of its proper divisors (720578133).

1140408747 is a wasteful number, since it uses less digits than its factorization.

1140408747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5157 (or 5132 counting only the distinct ones).

The product of its (nonzero) digits is 25088, while the sum is 36.

The square root of 1140408747 is about 33769.9385104563. The cubic root of 1140408747 is about 1044.7687642633.

The spelling of 1140408747 in words is "one billion, one hundred forty million, four hundred eight thousand, seven hundred forty-seven".