139607475840 has 384 divisors, whose sum is σ = 562202784000. Its totient is φ = 31909828608.

The previous prime is 139607475829. The next prime is 139607475841. The reversal of 139607475840 is 48574706931.

139607475840 is a `hidden beast` number, since 1 + 3 + 96 + 0 + 7 + 475 + 84 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (384).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139607475841) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1940349 + ... + 2011011.

It is an arithmetic number, because the mean of its divisors is an integer number (1464069750).

Almost surely, 2^139607475840 is an apocalyptic number.

139607475840 is a gapful number since it is divisible by the number (10) 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 139607475840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (281101392000).

139607475840 is an abundant number, since it is smaller than the sum of its proper divisors (422595308160).

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

139607475840 is an equidigital number, since it uses as much as digits as its factorization.

139607475840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70709 (or 70680 counting only the distinct ones).

The product of its (nonzero) digits is 5080320, while the sum is 54.

The spelling of 139607475840 in words is "one hundred thirty-nine billion, six hundred seven million, four hundred seventy-five thousand, eight hundred forty".