140949639936 has 648 divisors, whose sum is σ = 497965444704. Its totient is φ = 38180782080.

The previous prime is 140949639869. The next prime is 140949640019. The reversal of 140949639936 is 639936949041.

140949639936 is a `hidden beast` number, since 1 + 40 + 94 + 96 + 399 + 36 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 171262821 + ... + 171263643.

Almost surely, 2^140949639936 is an apocalyptic number.

140949639936 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 140949639936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (248982722352).

140949639936 is an abundant number, since it is smaller than the sum of its proper divisors (357015804768).

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

140949639936 is a wasteful number, since it uses less digits than its factorization.

140949639936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 937 (or 913 counting only the distinct ones).

The product of its (nonzero) digits is 34012224, while the sum is 63.

The spelling of 140949639936 in words is "one hundred forty billion, nine hundred forty-nine million, six hundred thirty-nine thousand, nine hundred thirty-six".