1359801397 has 2 divisors, whose sum is σ = 1359801398. Its totient is φ = 1359801396.

The previous prime is 1359801299. The next prime is 1359801413. The reversal of 1359801397 is 7931089531.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 778075236 + 581726161 = 27894^2 + 24119^2 .

It is an emirp because it is prime and its reverse (7931089531) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1359801397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1359801197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 679900698 + 679900699.

It is an arithmetic number, because the mean of its divisors is an integer number (679900699).

Almost surely, 2^1359801397 is an apocalyptic number.

It is an amenable number.

1359801397 is a deficient number, since it is larger than the sum of its proper divisors (1).

1359801397 is an equidigital number, since it uses as much as digits as its factorization.

1359801397 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 204120, while the sum is 46.

The square root of 1359801397 is about 36875.4850408778. The cubic root of 1359801397 is about 1107.8777177084.

The spelling of 1359801397 in words is "one billion, three hundred fifty-nine million, eight hundred one thousand, three hundred ninety-seven".