140738140 has 48 divisors (see below), whose sum is σ = 312238080. Its totient is φ = 53202240.

The previous prime is 140738113. The next prime is 140738141. The reversal of 140738140 is 41837041.

It is a junction number, because it is equal to n+sod(n) for n = 140738099 and 140738108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140738141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24021 + ... + 29299.

It is an arithmetic number, because the mean of its divisors is an integer number (6504960).

Almost surely, 2^140738140 is an apocalyptic number.

140738140 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 140738140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (156119040).

140738140 is an abundant number, since it is smaller than the sum of its proper divisors (171499940).

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

140738140 is a wasteful number, since it uses less digits than its factorization.

140738140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5362 (or 5360 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 140738140 is about 11863.3106677689. The cubic root of 140738140 is about 520.1603795244.

The spelling of 140738140 in words is "one hundred forty million, seven hundred thirty-eight thousand, one hundred forty".