1361927349 has 12 divisors (see below), whose sum is σ = 1975821900. Its totient is φ = 903985344.

The previous prime is 1361927321. The next prime is 1361927431. The reversal of 1361927349 is 9437291631.

1361927349 is a `hidden beast` number, since 1 + 3 + 619 + 27 + 3 + 4 + 9 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1218359025 + 143568324 = 34905^2 + 11982^2 .

It is not a de Polignac number, because 1361927349 - 2⁸ = 1361927093 is a prime.

It is a super-2 number, since 2×1361927349² = 3709692207908335602, which contains 22 as substring.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1361927849) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 328344 + ... + 332465.

It is an arithmetic number, because the mean of its divisors is an integer number (164651825).

Almost surely, 2^1361927349 is an apocalyptic number.

It is an amenable number.

1361927349 is a deficient number, since it is larger than the sum of its proper divisors (613894551).

1361927349 is a wasteful number, since it uses less digits than its factorization.

1361927349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 661044 (or 661041 counting only the distinct ones).

The product of its digits is 244944, while the sum is 45.

The square root of 1361927349 is about 36904.2998714242. The cubic root of 1361927349 is about 1108.4547795438.

The spelling of 1361927349 in words is "one billion, three hundred sixty-one million, nine hundred twenty-seven thousand, three hundred forty-nine".