140394340 has 24 divisors (see below), whose sum is σ = 296013312. Its totient is φ = 55932000.

The previous prime is 140394283. The next prime is 140394389. The reversal of 140394340 is 43493041.

It is a junction number, because it is equal to n+sod(n) for n = 140394299 and 140394308.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8964 + ... + 19003.

It is an arithmetic number, because the mean of its divisors is an integer number (12333888).

Almost surely, 2^140394340 is an apocalyptic number.

140394340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140394340 is an abundant number, since it is smaller than the sum of its proper divisors (155618972).

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

140394340 is a wasteful number, since it uses less digits than its factorization.

140394340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28227 (or 28225 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 140394340 is about 11848.8117547710. The cubic root of 140394340 is about 519.7364789037.

The spelling of 140394340 in words is "one hundred forty million, three hundred ninety-four thousand, three hundred forty".