1140142641 has 16 divisors (see below), whose sum is σ = 1674813888. Its totient is φ = 684152000.

The previous prime is 1140142639. The next prime is 1140142657. The reversal of 1140142641 is 1462410411.

It is a cyclic number.

It is not a de Polignac number, because 1140142641 - 2¹ = 1140142639 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1140142631) 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, 167706 + ... + 174371.

It is an arithmetic number, because the mean of its divisors is an integer number (104675868).

Almost surely, 2^1140142641 is an apocalyptic number.

1140142641 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1140142641 is a deficient number, since it is larger than the sum of its proper divisors (534671247).

1140142641 is a wasteful number, since it uses less digits than its factorization.

1140142641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342192.

The product of its (nonzero) digits is 768, while the sum is 24.

The square root of 1140142641 is about 33765.9982971036. The cubic root of 1140142641 is about 1044.6874949042.

The spelling of 1140142641 in words is "one billion, one hundred forty million, one hundred forty-two thousand, six hundred forty-one".