1356015197 has 2 divisors, whose sum is σ = 1356015198. Its totient is φ = 1356015196.

The previous prime is 1356015187. The next prime is 1356015233. The reversal of 1356015197 is 7915106531.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1268143321 + 87871876 = 35611^2 + 9374^2 .

It is a cyclic number.

It is not a de Polignac number, because 1356015197 - 2³⁰ = 282273373 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1356015197.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1356015107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 678007598 + 678007599.

It is an arithmetic number, because the mean of its divisors is an integer number (678007599).

Almost surely, 2^1356015197 is an apocalyptic number.

It is an amenable number.

1356015197 is a deficient number, since it is larger than the sum of its proper divisors (1).

1356015197 is an equidigital number, since it uses as much as digits as its factorization.

1356015197 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28350, while the sum is 38.

The square root of 1356015197 is about 36824.1116254011. Note that the first 3 decimals coincide. The cubic root of 1356015197 is about 1106.8485120668.

The spelling of 1356015197 in words is "one billion, three hundred fifty-six million, fifteen thousand, one hundred ninety-seven".