1361967255 has 24 divisors (see below), whose sum is σ = 2575357200. Its totient is φ = 660347520.

The previous prime is 1361967221. The next prime is 1361967259. The reversal of 1361967255 is 5527691631.

1361967255 is a `hidden beast` number, since 1 + 3 + 619 + 6 + 7 + 25 + 5 = 666.

It is not a de Polignac number, because 1361967255 - 2⁹ = 1361966743 is a prime.

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

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 1361967255.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1361967259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1375230 + ... + 1376219.

It is an arithmetic number, because the mean of its divisors is an integer number (107306550).

Almost surely, 2^1361967255 is an apocalyptic number.

1361967255 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1361967255 is a deficient number, since it is larger than the sum of its proper divisors (1213389945).

1361967255 is a wasteful number, since it uses less digits than its factorization.

1361967255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2751471 (or 2751468 counting only the distinct ones).

The product of its digits is 340200, while the sum is 45.

The square root of 1361967255 is about 36904.8405361682. The cubic root of 1361967255 is about 1108.4656057611.

The spelling of 1361967255 in words is "one billion, three hundred sixty-one million, nine hundred sixty-seven thousand, two hundred fifty-five".