140942340 has 144 divisors (see below), whose sum is σ = 533070720. Its totient is φ = 29283840.

The previous prime is 140942279. The next prime is 140942357. The reversal of 140942340 is 43249041.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8776 + ... + 18944.

It is an arithmetic number, because the mean of its divisors is an integer number (3701880).

Almost surely, 2^140942340 is an apocalyptic number.

140942340 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 140942340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (266535360).

140942340 is an abundant number, since it is smaller than the sum of its proper divisors (392128380).

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

140942340 is a wasteful number, since it uses less digits than its factorization.

140942340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10202 (or 10197 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 140942340 is about 11871.9139147822. The cubic root of 140942340 is about 520.4118285870.

The spelling of 140942340 in words is "one hundred forty million, nine hundred forty-two thousand, three hundred forty".