1140656434 has 8 divisors (see below), whose sum is σ = 1785375360. Its totient is φ = 545531316.

The previous prime is 1140656423. The next prime is 1140656443. The reversal of 1140656434 is 4346560411.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1140656434.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12398394 + ... + 12398485.

It is an arithmetic number, because the mean of its divisors is an integer number (223171920).

Almost surely, 2^1140656434 is an apocalyptic number.

1140656434 is a deficient number, since it is larger than the sum of its proper divisors (644718926).

1140656434 is a wasteful number, since it uses less digits than its factorization.

1140656434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24796904.

The product of its (nonzero) digits is 34560, while the sum is 34.

The square root of 1140656434 is about 33773.6055818741. The cubic root of 1140656434 is about 1044.8443970600.

The spelling of 1140656434 in words is "one billion, one hundred forty million, six hundred fifty-six thousand, four hundred thirty-four".