1380602197 has 4 divisors (see below), whose sum is σ = 1486802380. Its totient is φ = 1274402016.

The previous prime is 1380602191. The next prime is 1380602213. The reversal of 1380602197 is 7912060831.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 326561041 + 1054041156 = 18071^2 + 32466^2 .

It is a cyclic number.

It is not a de Polignac number, because 1380602197 - 2³ = 1380602189 is a prime.

It is a super-2 number, since 2×1380602197² = 3812124852722453618, which contains 22 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 (1380602191) 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, 53100072 + ... + 53100097.

It is an arithmetic number, because the mean of its divisors is an integer number (371700595).

Almost surely, 2^1380602197 is an apocalyptic number.

It is an amenable number.

1380602197 is a deficient number, since it is larger than the sum of its proper divisors (106200183).

1380602197 is a wasteful number, since it uses less digits than its factorization.

1380602197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106200182.

The product of its (nonzero) digits is 18144, while the sum is 37.

The square root of 1380602197 is about 37156.4556571264. The cubic root of 1380602197 is about 1113.4982018761.

The spelling of 1380602197 in words is "one billion, three hundred eighty million, six hundred two thousand, one hundred ninety-seven".