1369028481 has 8 divisors (see below), whose sum is σ = 1825639200. Its totient is φ = 912551712.

The previous prime is 1369028393. The next prime is 1369028483. The reversal of 1369028481 is 1848209631.

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

It is a de Polignac number, because none of the positive numbers 2^k-1369028481 is a prime.

It is a super-2 number, since 2×1369028481² = 3748477963578334722, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1369028483) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6540 + ... + 52733.

It is an arithmetic number, because the mean of its divisors is an integer number (228204900).

Almost surely, 2^1369028481 is an apocalyptic number.

It is an amenable number.

1369028481 is a deficient number, since it is larger than the sum of its proper divisors (456610719).

1369028481 is an equidigital number, since it uses as much as digits as its factorization.

1369028481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66975.

The product of its (nonzero) digits is 82944, while the sum is 42.

The square root of 1369028481 is about 37000.3848763766. The cubic root of 1369028481 is about 1110.3779469404.

The spelling of 1369028481 in words is "one billion, three hundred sixty-nine million, twenty-eight thousand, four hundred eighty-one".