1400304137249 has 2 divisors, whose sum is σ = 1400304137250. Its totient is φ = 1400304137248.

The previous prime is 1400304137213. The next prime is 1400304137279. The reversal of 1400304137249 is 9427314030041.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 943895800849 + 456408336400 = 971543^2 + 675580^2 .

It is an emirp because it is prime and its reverse (9427314030041) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1400304137249 - 2³⁶ = 1331584660513 is a prime.

It is not a weakly prime, because it can be changed into another prime (1400304137279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 700152068624 + 700152068625.

It is an arithmetic number, because the mean of its divisors is an integer number (700152068625).

Almost surely, 2^{1400304137249} is an apocalyptic number.

It is an amenable number.

1400304137249 is a deficient number, since it is larger than the sum of its proper divisors (1).

1400304137249 is an equidigital number, since it uses as much as digits as its factorization.

1400304137249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72576, while the sum is 38.

The spelling of 1400304137249 in words is "one trillion, four hundred billion, three hundred four million, one hundred thirty-seven thousand, two hundred forty-nine".