1501401400139 has 2 divisors, whose sum is σ = 1501401400140. Its totient is φ = 1501401400138.

The previous prime is 1501401400111. The next prime is 1501401400153. The reversal of 1501401400139 is 9310041041051.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1501401400139 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (1501401400159) 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, 750700700069 + 750700700070.

It is an arithmetic number, because the mean of its divisors is an integer number (750700700070).

Almost surely, 2^{1501401400139} is an apocalyptic number.

1501401400139 is a deficient number, since it is larger than the sum of its proper divisors (1).

1501401400139 is an equidigital number, since it uses as much as digits as its factorization.

1501401400139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 29.

The spelling of 1501401400139 in words is "one trillion, five hundred one billion, four hundred one million, four hundred thousand, one hundred thirty-nine".