1351541805 has 8 divisors (see below), whose sum is σ = 2162466912. Its totient is φ = 720822288.

The previous prime is 1351541797. The next prime is 1351541819. The reversal of 1351541805 is 5081451531.

It is a happy number.

1351541805 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 1351541805 - 2³ = 1351541797 is a prime.

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, 45051379 + ... + 45051408.

It is an arithmetic number, because the mean of its divisors is an integer number (270308364).

Almost surely, 2^1351541805 is an apocalyptic number.

1351541805 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1351541805 is a deficient number, since it is larger than the sum of its proper divisors (810925107).

1351541805 is an equidigital number, since it uses as much as digits as its factorization.

1351541805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90102795.

The product of its (nonzero) digits is 12000, while the sum is 33.

The square root of 1351541805 is about 36763.3214631105. The cubic root of 1351541805 is about 1105.6300345699.

The spelling of 1351541805 in words is "one billion, three hundred fifty-one million, five hundred forty-one thousand, eight hundred five".