1374821065 has 8 divisors (see below), whose sum is σ = 1665204480. Its totient is φ = 1089577392.

The previous prime is 1374821053. The next prime is 1374821087. The reversal of 1374821065 is 5601284731.

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 1374821065 - 2¹⁷ = 1374689993 is a prime.

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, 1284345 + ... + 1285414.

It is an arithmetic number, because the mean of its divisors is an integer number (208150560).

Almost surely, 2^1374821065 is an apocalyptic number.

It is an amenable number.

1374821065 is a deficient number, since it is larger than the sum of its proper divisors (290383415).

1374821065 is a wasteful number, since it uses less digits than its factorization.

1374821065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2569871.

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 1374821065 is about 37078.5795979296. The cubic root of 1374821065 is about 1111.9418070857.

The spelling of 1374821065 in words is "one billion, three hundred seventy-four million, eight hundred twenty-one thousand, sixty-five".