140964940 has 48 divisors (see below), whose sum is σ = 307540800. Its totient is φ = 54209792.

The previous prime is 140964913. The next prime is 140964949. The reversal of 140964940 is 49469041.

140964940 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×140964940² = 39742228618407200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 140964940.

It is not an unprimeable number, because it can be changed into a prime (140964949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 207882 + ... + 208558.

It is an arithmetic number, because the mean of its divisors is an integer number (6407100).

Almost surely, 2^140964940 is an apocalyptic number.

140964940 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 140964940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (153770400).

140964940 is an abundant number, since it is smaller than the sum of its proper divisors (166575860).

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

140964940 is a wasteful number, since it uses less digits than its factorization.

140964940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1074 (or 1072 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 140964940 is about 11872.8657029379. The cubic root of 140964940 is about 520.4396429844.

The spelling of 140964940 in words is "one hundred forty million, nine hundred sixty-four thousand, nine hundred forty".