140354940 has 96 divisors (see below), whose sum is σ = 432875520. Its totient is φ = 33696000.

The previous prime is 140354917. The next prime is 140354959. The reversal of 140354940 is 49453041.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 140354898 and 140354907.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 70965 + ... + 72915.

It is an arithmetic number, because the mean of its divisors is an integer number (4509120).

Almost surely, 2^140354940 is an apocalyptic number.

140354940 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 140354940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (216437760).

140354940 is an abundant number, since it is smaller than the sum of its proper divisors (292520580).

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

140354940 is a wasteful number, since it uses less digits than its factorization.

140354940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2083 (or 2081 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 140354940 is about 11847.1490241323. The cubic root of 140354940 is about 519.6878550698.

The spelling of 140354940 in words is "one hundred forty million, three hundred fifty-four thousand, nine hundred forty".