340140394 has 32 divisors (see below), whose sum is σ = 591998400. Its totient is φ = 144944640.

The previous prime is 340140347. The next prime is 340140421. The reversal of 340140394 is 493041043.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36352 + ... + 44740.

It is an arithmetic number, because the mean of its divisors is an integer number (18499950).

Almost surely, 2^340140394 is an apocalyptic number.

340140394 is a deficient number, since it is larger than the sum of its proper divisors (251858006).

340140394 is a wasteful number, since it uses less digits than its factorization.

340140394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8518.

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

The square root of 340140394 is about 18442.8954885072. The cubic root of 340140394 is about 698.0492585713.

The spelling of 340140394 in words is "three hundred forty million, one hundred forty thousand, three hundred ninety-four".