1401515531239 has 2 divisors, whose sum is σ = 1401515531240. Its totient is φ = 1401515531238.

The previous prime is 1401515531203. The next prime is 1401515531287. The reversal of 1401515531239 is 9321355151041.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1401515531239 - 2⁷ = 1401515531111 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1401515534239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 700757765619 + 700757765620.

It is an arithmetic number, because the mean of its divisors is an integer number (700757765620).

Almost surely, 2^{1401515531239} is an apocalyptic number.

1401515531239 is a deficient number, since it is larger than the sum of its proper divisors (1).

1401515531239 is an equidigital number, since it uses as much as digits as its factorization.

1401515531239 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 81000, while the sum is 40.

The spelling of 1401515531239 in words is "one trillion, four hundred one billion, five hundred fifteen million, five hundred thirty-one thousand, two hundred thirty-nine".