139633889234 has 8 divisors (see below), whose sum is σ = 239372381568. Its totient is φ = 59843095380.

The previous prime is 139633889149. The next prime is 139633889237. The reversal of 139633889234 is 432988336931.

It is a happy number.

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

It is a super-3 number, since 3×139633889234³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (139633889237) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4986924602 + ... + 4986924629.

It is an arithmetic number, because the mean of its divisors is an integer number (29921547696).

Almost surely, 2^139633889234 is an apocalyptic number.

139633889234 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

139633889234 is a deficient number, since it is larger than the sum of its proper divisors (99738492334).

139633889234 is an equidigital number, since it uses as much as digits as its factorization.

139633889234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9973849240.

The product of its digits is 20155392, while the sum is 59.

The spelling of 139633889234 in words is "one hundred thirty-nine billion, six hundred thirty-three million, eight hundred eighty-nine thousand, two hundred thirty-four".