140494034520 has 1024 divisors, whose sum is σ = 574428672000. Its totient is φ = 29869572096.

The previous prime is 140494034357. The next prime is 140494034531. The reversal of 140494034520 is 25430494041.

140494034520 is a `hidden beast` number, since 1 + 40 + 4 + 94 + 0 + 3 + 4 + 520 = 666.

140494034520 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 1243309984 + ... + 1243310096.

It is an arithmetic number, because the mean of its divisors is an integer number (560965500).

Almost surely, 2^140494034520 is an apocalyptic number.

140494034520 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 140494034520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (287214336000).

140494034520 is an abundant number, since it is smaller than the sum of its proper divisors (433934637480).

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

140494034520 is a wasteful number, since it uses less digits than its factorization.

140494034520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329 (or 319 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

The spelling of 140494034520 in words is "one hundred forty billion, four hundred ninety-four million, thirty-four thousand, five hundred twenty".