139534364938 has 8 divisors (see below), whose sum is σ = 209304796932. Its totient is φ = 69766099296.

The previous prime is 139534364929. The next prime is 139534364939. The reversal of 139534364938 is 839463435931.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 135095207809 + 4439157129 = 367553^2 + 66627^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (139534364939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 369645 + ... + 644752.

Almost surely, 2^139534364938 is an apocalyptic number.

139534364938 is a deficient number, since it is larger than the sum of its proper divisors (69770431994).

139534364938 is a wasteful number, since it uses less digits than its factorization.

139534364938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1083176.

The product of its digits is 25194240, while the sum is 58.

The spelling of 139534364938 in words is "one hundred thirty-nine billion, five hundred thirty-four million, three hundred sixty-four thousand, nine hundred thirty-eight".