139134253 has 2 divisors, whose sum is σ = 139134254. Its totient is φ = 139134252.

The previous prime is 139134251. The next prime is 139134353. The reversal of 139134253 is 352431931.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 98148649 + 40985604 = 9907^2 + 6402^2 .

It is a cyclic number.

It is not a de Polignac number, because 139134253 - 2¹ = 139134251 is a prime.

Together with 139134251, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (139134251) 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, 69567126 + 69567127.

It is an arithmetic number, because the mean of its divisors is an integer number (69567127).

Almost surely, 2^139134253 is an apocalyptic number.

It is an amenable number.

139134253 is a deficient number, since it is larger than the sum of its proper divisors (1).

139134253 is an equidigital number, since it uses as much as digits as its factorization.

139134253 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9720, while the sum is 31.

The square root of 139134253 is about 11795.5183438457. The cubic root of 139134253 is about 518.1768662547.

The spelling of 139134253 in words is "one hundred thirty-nine million, one hundred thirty-four thousand, two hundred fifty-three".