139418011 has 2 divisors, whose sum is σ = 139418012. Its totient is φ = 139418010.

The previous prime is 139417987. The next prime is 139418023. The reversal of 139418011 is 110814931.

It is a strong prime.

It is an emirp because it is prime and its reverse (110814931) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 139418011 - 2⁵ = 139417979 is a prime.

It is a super-2 number, since 2×139418011² = 38874763582392242, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (139418911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69709005 + 69709006.

It is an arithmetic number, because the mean of its divisors is an integer number (69709006).

Almost surely, 2^139418011 is an apocalyptic number.

139418011 is a deficient number, since it is larger than the sum of its proper divisors (1).

139418011 is an equidigital number, since it uses as much as digits as its factorization.

139418011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 28.

The square root of 139418011 is about 11807.5404297423. The cubic root of 139418011 is about 518.5288931228.

It can be divided in two parts, 13941 and 8011, that added together give a cube (21952 = 28³).

The spelling of 139418011 in words is "one hundred thirty-nine million, four hundred eighteen thousand, eleven".