1140691407 has 16 divisors (see below), whose sum is σ = 1581296640. Its totient is φ = 730627200.

The previous prime is 1140691397. The next prime is 1140691411. The reversal of 1140691407 is 7041960411.

It is not a de Polignac number, because 1140691407 - 2⁸ = 1140691151 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1140691477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31194 + ... + 57047.

It is an arithmetic number, because the mean of its divisors is an integer number (98831040).

Almost surely, 2^1140691407 is an apocalyptic number.

1140691407 is a deficient number, since it is larger than the sum of its proper divisors (440605233).

1140691407 is a wasteful number, since it uses less digits than its factorization.

1140691407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88414.

The product of its (nonzero) digits is 6048, while the sum is 33.

The square root of 1140691407 is about 33774.1233342925. The cubic root of 1140691407 is about 1044.8550754052.

The spelling of 1140691407 in words is "one billion, one hundred forty million, six hundred ninety-one thousand, four hundred seven".