140135535216 has 400 divisors, whose sum is σ = 429134565376. Its totient is φ = 44089920000.

The previous prime is 140135535187. The next prime is 140135535343. The reversal of 140135535216 is 612535531041.

140135535216 is a `hidden beast` number, since 1 + 40 + 1 + 3 + 553 + 52 + 16 = 666.

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 79 ways as a sum of consecutive naturals, for example, 517105161 + ... + 517105431.

Almost surely, 2^140135535216 is an apocalyptic number.

140135535216 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 140135535216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (214567282688).

140135535216 is an abundant number, since it is smaller than the sum of its proper divisors (288999030160).

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

140135535216 is a wasteful number, since it uses less digits than its factorization.

140135535216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 594 (or 579 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 36.

The spelling of 140135535216 in words is "one hundred forty billion, one hundred thirty-five million, five hundred thirty-five thousand, two hundred sixteen".