1401155359 has 2 divisors, whose sum is σ = 1401155360. Its totient is φ = 1401155358.

The previous prime is 1401155341. The next prime is 1401155363. The reversal of 1401155359 is 9535511041.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1401155359 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1401155309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 700577679 + 700577680.

It is an arithmetic number, because the mean of its divisors is an integer number (700577680).

Almost surely, 2^1401155359 is an apocalyptic number.

1401155359 is a deficient number, since it is larger than the sum of its proper divisors (1).

1401155359 is an equidigital number, since it uses as much as digits as its factorization.

1401155359 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13500, while the sum is 34.

The square root of 1401155359 is about 37432.0098178017. The cubic root of 1401155359 is about 1118.9965925471.

The spelling of 1401155359 in words is "one billion, four hundred one million, one hundred fifty-five thousand, three hundred fifty-nine".