1140396783 has 32 divisors (see below), whose sum is σ = 1642291200. Its totient is φ = 702240000.

The previous prime is 1140396773. The next prime is 1140396799. The reversal of 1140396783 is 3876930411.

It is not a de Polignac number, because 1140396783 - 2²⁵ = 1106842351 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1140396773) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 237658 + ... + 242408.

It is an arithmetic number, because the mean of its divisors is an integer number (51321600).

Almost surely, 2^1140396783 is an apocalyptic number.

1140396783 is a deficient number, since it is larger than the sum of its proper divisors (501894417).

1140396783 is a wasteful number, since it uses less digits than its factorization.

1140396783 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4903.

The product of its (nonzero) digits is 108864, while the sum is 42.

The square root of 1140396783 is about 33769.7613701963. The cubic root of 1140396783 is about 1044.7651107028.

The spelling of 1140396783 in words is "one billion, one hundred forty million, three hundred ninety-six thousand, seven hundred eighty-three".