139959545040 has 240 divisors, whose sum is σ = 550280779776. Its totient is φ = 31210444800.

The previous prime is 139959545039. The next prime is 139959545051. The reversal of 139959545040 is 40545959931.

139959545040 is a `hidden beast` number, since 1 + 3 + 9 + 9 + 59 + 545 + 0 + 40 = 666.

It is a tau number, because it is divible by the number of its divisors (240).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 132016 + ... + 545295.

Almost surely, 2^139959545040 is an apocalyptic number.

139959545040 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 139959545040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (275140389888).

139959545040 is an abundant number, since it is smaller than the sum of its proper divisors (410321234736).

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

139959545040 is a wasteful number, since it uses less digits than its factorization.

139959545040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 677378 (or 677369 counting only the distinct ones).

The product of its (nonzero) digits is 4374000, while the sum is 54.

The spelling of 139959545040 in words is "one hundred thirty-nine billion, nine hundred fifty-nine million, five hundred forty-five thousand, forty".