1140645635 has 8 divisors (see below), whose sum is σ = 1369993920. Its totient is φ = 911703744.

The previous prime is 1140645613. The next prime is 1140645641. The reversal of 1140645635 is 5365460411.

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

It is a cyclic number.

It is not a de Polignac number, because 1140645635 - 2¹² = 1140641539 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1140645595 and 1140645604.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95387 + ... + 106676.

It is an arithmetic number, because the mean of its divisors is an integer number (171249240).

Almost surely, 2^1140645635 is an apocalyptic number.

1140645635 is a deficient number, since it is larger than the sum of its proper divisors (229348285).

1140645635 is a wasteful number, since it uses less digits than its factorization.

1140645635 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203197.

The product of its (nonzero) digits is 43200, while the sum is 35.

The square root of 1140645635 is about 33773.4457081299. The cubic root of 1140645635 is about 1044.8410997451.

The spelling of 1140645635 in words is "one billion, one hundred forty million, six hundred forty-five thousand, six hundred thirty-five".