139013653 has 2 divisors, whose sum is σ = 139013654. Its totient is φ = 139013652.

The previous prime is 139013621. The next prime is 139013659. The reversal of 139013653 is 356310931.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 117548964 + 21464689 = 10842^2 + 4633^2 .

It is a cyclic number.

It is not a de Polignac number, because 139013653 - 2⁵ = 139013621 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (139013659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69506826 + 69506827.

It is an arithmetic number, because the mean of its divisors is an integer number (69506827).

Almost surely, 2^139013653 is an apocalyptic number.

It is an amenable number.

139013653 is a deficient number, since it is larger than the sum of its proper divisors (1).

139013653 is an equidigital number, since it uses as much as digits as its factorization.

139013653 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7290, while the sum is 31.

The square root of 139013653 is about 11790.4051245070. The cubic root of 139013653 is about 518.0271063567.

The spelling of 139013653 in words is "one hundred thirty-nine million, thirteen thousand, six hundred fifty-three".