139402047616 has 128 divisors (see below), whose sum is σ = 330440342400. Its totient is φ = 57921650688.

The previous prime is 139402047583. The next prime is 139402047619. The reversal of 139402047616 is 616740204931.

It is a tau number, because it is divible by the number of its divisors (128).

It is not an unprimeable number, because it can be changed into a prime (139402047619) 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 in 15 ways as a sum of consecutive naturals, for example, 543495 + ... + 757753.

It is an arithmetic number, because the mean of its divisors is an integer number (2581565175).

Almost surely, 2^139402047616 is an apocalyptic number.

139402047616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 139402047616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (165220171200).

139402047616 is an abundant number, since it is smaller than the sum of its proper divisors (191038294784).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

139402047616 is a wasteful number, since it uses less digits than its factorization.

139402047616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214326 (or 214314 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 43.

The spelling of 139402047616 in words is "one hundred thirty-nine billion, four hundred two million, forty-seven thousand, six hundred sixteen".