1140194775 has 36 divisors (see below), whose sum is σ = 1939096376. Its totient is φ = 590745600.

The previous prime is 1140194773. The next prime is 1140194779. The reversal of 1140194775 is 5774910411.

It is a happy number.

It is not a de Polignac number, because 1140194775 - 2¹ = 1140194773 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1140194773) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1778455 + ... + 1779095.

Almost surely, 2^1140194775 is an apocalyptic number.

1140194775 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1140194775 is a deficient number, since it is larger than the sum of its proper divisors (798901601).

1140194775 is an frugal number, since it uses more digits than its factorization.

1140194775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1332 (or 686 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 39.

The square root of 1140194775 is about 33766.7702778930. The cubic root of 1140194775 is about 1044.7034177387.

The spelling of 1140194775 in words is "one billion, one hundred forty million, one hundred ninety-four thousand, seven hundred seventy-five".