140621796 has 72 divisors (see below), whose sum is σ = 408617664. Its totient is φ = 39942720.

The previous prime is 140621779. The next prime is 140621809. The reversal of 140621796 is 697126041.

140621796 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

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

It is a self number, because there is not a number n which added to its sum of digits gives 140621796.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 44071 + ... + 47153.

Almost surely, 2^140621796 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 140621796, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (204308832).

140621796 is an abundant number, since it is smaller than the sum of its proper divisors (267995868).

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

140621796 is a wasteful number, since it uses less digits than its factorization.

140621796 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3281 (or 3276 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 140621796 is about 11858.4061323603. The cubic root of 140621796 is about 520.0170063472.

The spelling of 140621796 in words is "one hundred forty million, six hundred twenty-one thousand, seven hundred ninety-six".