1140154000 has 40 divisors (see below), whose sum is σ = 2756897208. Its totient is φ = 456060800.

The previous prime is 1140153961. The next prime is 1140154003. The reversal of 1140154000 is 4510411.

It can be written as a sum of positive squares in 4 ways, for example, as 294740224 + 845413776 = 17168^2 + 29076^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×1140154000² = 2599902287432000000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is not an unprimeable number, because it can be changed into a prime (1140154003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 283039 + ... + 287038.

Almost surely, 2^1140154000 is an apocalyptic number.

1140154000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1140154000 is an abundant number, since it is smaller than the sum of its proper divisors (1616743208).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1140154000 is an equidigital number, since it uses as much as digits as its factorization.

1140154000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 570100 (or 570084 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 1140154000 is about 33766.1664984345. The cubic root of 1140154000 is about 1044.6909642262.

Adding to 1140154000 its reverse (4510411), we get a palindrome (1144664411).

The spelling of 1140154000 in words is "one billion, one hundred forty million, one hundred fifty-four thousand".