139732239368 has 36 divisors (see below), whose sum is σ = 263491226415. Its totient is φ = 69470165328.

The previous prime is 139732239341. The next prime is 139732239371. The reversal of 139732239368 is 863932237931.

It is a happy number.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in only one way, i.e., 69866119684 + 69866119684 = 264322^2 + 264322^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=264322.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 299212271 + ... + 299212737.

Almost surely, 2^139732239368 is an apocalyptic number.

It is an amenable number.

139732239368 is a deficient number, since it is larger than the sum of its proper divisors (123758987047).

139732239368 is an frugal number, since it uses more digits than its factorization.

139732239368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1506 (or 752 counting only the distinct ones).

The product of its digits is 8817984, while the sum is 56.

The spelling of 139732239368 in words is "one hundred thirty-nine billion, seven hundred thirty-two million, two hundred thirty-nine thousand, three hundred sixty-eight".