140528142791 has 2 divisors, whose sum is σ = 140528142792. Its totient is φ = 140528142790.

The previous prime is 140528142751. The next prime is 140528142823. The reversal of 140528142791 is 197241825041.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 140528142791 - 2¹⁴ = 140528126407 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140528142731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70264071395 + 70264071396.

It is an arithmetic number, because the mean of its divisors is an integer number (70264071396).

Almost surely, 2^140528142791 is an apocalyptic number.

140528142791 is a deficient number, since it is larger than the sum of its proper divisors (1).

140528142791 is an equidigital number, since it uses as much as digits as its factorization.

140528142791 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 161280, while the sum is 44.

The spelling of 140528142791 in words is "one hundred forty billion, five hundred twenty-eight million, one hundred forty-two thousand, seven hundred ninety-one".