6781451135 has 8 divisors (see below), whose sum is σ = 8140713840. Its totient is φ = 5423179264.

The previous prime is 6781451081. The next prime is 6781451203. The reversal of 6781451135 is 5311541876.

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 6781451135 - 2¹² = 6781447039 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6781451092 and 6781451101.

It is a congruent number.

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, 232565 + ... + 260094.

It is an arithmetic number, because the mean of its divisors is an integer number (1017589230).

Almost surely, 2^6781451135 is an apocalyptic number.

6781451135 is a deficient number, since it is larger than the sum of its proper divisors (1359262705).

6781451135 is a wasteful number, since it uses less digits than its factorization.

6781451135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 495417.

The product of its digits is 100800, while the sum is 41.

The square root of 6781451135 is about 82349.5666958849. The cubic root of 6781451135 is about 1892.8122830725.

The spelling of 6781451135 in words is "six billion, seven hundred eighty-one million, four hundred fifty-one thousand, one hundred thirty-five".