139066592940 has 576 divisors, whose sum is σ = 500949671040. Its totient is φ = 30849761280.

The previous prime is 139066592939. The next prime is 139066592941. The reversal of 139066592940 is 49295660931.

139066592940 is a `hidden beast` number, since 1 + 3 + 9 + 0 + 6 + 6 + 592 + 9 + 40 = 666.

It is an interprime number because it is at equal distance from previous prime (139066592939) and next prime (139066592941).

It is not an unprimeable number, because it can be changed into a prime (139066592941) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 244404976 + ... + 244405544.

It is an arithmetic number, because the mean of its divisors is an integer number (869704290).

Almost surely, 2^139066592940 is an apocalyptic number.

139066592940 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 139066592940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (250474835520).

139066592940 is an abundant number, since it is smaller than the sum of its proper divisors (361883078100).

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

139066592940 is a wasteful number, since it uses less digits than its factorization.

139066592940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 802 (or 797 counting only the distinct ones).

The product of its (nonzero) digits is 3149280, while the sum is 54.

The spelling of 139066592940 in words is "one hundred thirty-nine billion, sixty-six million, five hundred ninety-two thousand, nine hundred forty".