139924511 has 2 divisors, whose sum is σ = 139924512. Its totient is φ = 139924510.

The previous prime is 139924487. The next prime is 139924517. The reversal of 139924511 is 115429931.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-139924511 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (139924517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69962255 + 69962256.

It is an arithmetic number, because the mean of its divisors is an integer number (69962256).

Almost surely, 2^139924511 is an apocalyptic number.

139924511 is a deficient number, since it is larger than the sum of its proper divisors (1).

139924511 is an equidigital number, since it uses as much as digits as its factorization.

139924511 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9720, while the sum is 35.

The square root of 139924511 is about 11828.9691435898. The cubic root of 139924511 is about 519.1560657421.

The spelling of 139924511 in words is "one hundred thirty-nine million, nine hundred twenty-four thousand, five hundred eleven".