1140164993 has 16 divisors (see below), whose sum is σ = 1374247296. Its totient is φ = 933123840.

The previous prime is 1140164983. The next prime is 1140165001. The reversal of 1140164993 is 3994610411.

It is not a de Polignac number, because 1140164993 - 2¹⁸ = 1139902849 is a prime.

It is a super-2 number, since 2×1140164993² = 2599952422525380098, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1140164933) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 128246 + ... + 136847.

It is an arithmetic number, because the mean of its divisors is an integer number (85890456).

Almost surely, 2^1140164993 is an apocalyptic number.

It is an amenable number.

1140164993 is a deficient number, since it is larger than the sum of its proper divisors (234082303).

1140164993 is a wasteful number, since it uses less digits than its factorization.

1140164993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265144.

The product of its (nonzero) digits is 23328, while the sum is 38.

The square root of 1140164993 is about 33766.3292793280. The cubic root of 1140164993 is about 1044.6943217407.

The spelling of 1140164993 in words is "one billion, one hundred forty million, one hundred sixty-four thousand, nine hundred ninety-three".