1361331675 has 108 divisors (see below), whose sum is σ = 2768281152. Its totient is φ = 638352000.

The previous prime is 1361331581. The next prime is 1361331689. The reversal of 1361331675 is 5761331631.

It is a happy number.

1361331675 is a `hidden beast` number, since 1 + 3 + 613 + 31 + 6 + 7 + 5 = 666.

It is not a de Polignac number, because 1361331675 - 2¹⁹ = 1360807387 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 107 ways as a sum of consecutive naturals, for example, 843169 + ... + 844781.

Almost surely, 2^1361331675 is an apocalyptic number.

1361331675 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1361331675 is an abundant number, since it is smaller than the sum of its proper divisors (1406949477).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1361331675 is a wasteful number, since it uses less digits than its factorization.

1361331675 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1682 (or 1663 counting only the distinct ones).

The product of its digits is 34020, while the sum is 36.

The square root of 1361331675 is about 36896.2284657931. The cubic root of 1361331675 is about 1108.2931522295.

The spelling of 1361331675 in words is "one billion, three hundred sixty-one million, three hundred thirty-one thousand, six hundred seventy-five".