1369212197 has 4 divisors (see below), whose sum is σ = 1369488960. Its totient is φ = 1368935436.

The previous prime is 1369212191. The next prime is 1369212199. The reversal of 1369212197 is 7912129631.

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.

It is a cyclic number.

It is not a de Polignac number, because 1369212197 - 2²⁶ = 1302103333 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1369212191) 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, 130823 + ... + 140900.

It is an arithmetic number, because the mean of its divisors is an integer number (342372240).

Almost surely, 2^1369212197 is an apocalyptic number.

It is an amenable number.

1369212197 is a deficient number, since it is larger than the sum of its proper divisors (276763).

1369212197 is an equidigital number, since it uses as much as digits as its factorization.

1369212197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276762.

The product of its digits is 40824, while the sum is 41.

The square root of 1369212197 is about 37002.8674159179. The cubic root of 1369212197 is about 1110.4276135649.

The spelling of 1369212197 in words is "one billion, three hundred sixty-nine million, two hundred twelve thousand, one hundred ninety-seven".