139791461501 has 2 divisors, whose sum is σ = 139791461502. Its totient is φ = 139791461500.

The previous prime is 139791461497. The next prime is 139791461527. The reversal of 139791461501 is 105164197931.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 108274560601 + 31516900900 = 329051^2 + 177530^2 .

It is a cyclic number.

It is not a de Polignac number, because 139791461501 - 2² = 139791461497 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (139791461561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69895730750 + 69895730751.

It is an arithmetic number, because the mean of its divisors is an integer number (69895730751).

Almost surely, 2^139791461501 is an apocalyptic number.

It is an amenable number.

139791461501 is a deficient number, since it is larger than the sum of its proper divisors (1).

139791461501 is an equidigital number, since it uses as much as digits as its factorization.

139791461501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 204120, while the sum is 47.

The spelling of 139791461501 in words is "one hundred thirty-nine billion, seven hundred ninety-one million, four hundred sixty-one thousand, five hundred one".