1140005412 has 72 divisors (see below), whose sum is σ = 3546693696. Its totient is φ = 300659904.

The previous prime is 1140005387. The next prime is 1140005437. The reversal of 1140005412 is 2145000411.

It is an interprime number because it is at equal distance from previous prime (1140005387) and next prime (1140005437).

It is a super-2 number, since 2×1140005412² = 2599224678778579488, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 170718 + ... + 177269.

Almost surely, 2^1140005412 is an apocalyptic number.

1140005412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1140005412 is an abundant number, since it is smaller than the sum of its proper divisors (2406688284).

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

1140005412 is a wasteful number, since it uses less digits than its factorization.

1140005412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 348017 (or 348012 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 1140005412 is about 33763.9661769763. The cubic root of 1140005412 is about 1044.6455799229.

Adding to 1140005412 its reverse (2145000411), we get a palindrome (3285005823).

The spelling of 1140005412 in words is "one billion, one hundred forty million, five thousand, four hundred twelve".