139323340153442 has 16 divisors (see below), whose sum is σ = 209039546694264. Its totient is φ = 69643492848000.

The previous prime is 139323340153381. The next prime is 139323340153447. The reversal of 139323340153442 is 244351043323931.

It can be written as a sum of positive squares in 4 ways, for example, as 128391991578361 + 10931348575081 = 11331019^2 + 3306259^2 .

It is a super-2 number, since 2×139323340153442² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (139323340153447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 179869142 + ... + 180642062.

Almost surely, 2^{139323340153442} is an apocalyptic number.

139323340153442 is a deficient number, since it is larger than the sum of its proper divisors (69716206540822).

139323340153442 is a wasteful number, since it uses less digits than its factorization.

139323340153442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 796325.

The product of its (nonzero) digits is 2799360, while the sum is 47.

The spelling of 139323340153442 in words is "one hundred thirty-nine trillion, three hundred twenty-three billion, three hundred forty million, one hundred fifty-three thousand, four hundred forty-two".