1361924197 has 4 divisors (see below), whose sum is σ = 1367102880. Its totient is φ = 1356745516.

The previous prime is 1361924177. The next prime is 1361924257. The reversal of 1361924197 is 7914291631.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 7914291631 = 223 ⋅35490097.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1361924197 is a prime.

It is a super-3 number, since 3×1361924197³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1361924177) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2588947 + ... + 2589472.

It is an arithmetic number, because the mean of its divisors is an integer number (341775720).

Almost surely, 2^1361924197 is an apocalyptic number.

It is an amenable number.

1361924197 is a deficient number, since it is larger than the sum of its proper divisors (5178683).

1361924197 is an equidigital number, since it uses as much as digits as its factorization.

1361924197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5178682.

The product of its digits is 81648, while the sum is 43.

The square root of 1361924197 is about 36904.2571663487. The cubic root of 1361924197 is about 1108.4539244193.

The spelling of 1361924197 in words is "one billion, three hundred sixty-one million, nine hundred twenty-four thousand, one hundred ninety-seven".