140347814 has 8 divisors (see below), whose sum is σ = 211698360. Its totient is φ = 69781696.

The previous prime is 140347799. The next prime is 140347853. The reversal of 140347814 is 418743041.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 195659 + ... + 196374.

It is an arithmetic number, because the mean of its divisors is an integer number (26462295).

Almost surely, 2^140347814 is an apocalyptic number.

140347814 is a deficient number, since it is larger than the sum of its proper divisors (71350546).

140347814 is a wasteful number, since it uses less digits than its factorization.

140347814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 392214.

The product of its (nonzero) digits is 10752, while the sum is 32.

The square root of 140347814 is about 11846.8482728530. The cubic root of 140347814 is about 519.6790598484.

The spelling of 140347814 in words is "one hundred forty million, three hundred forty-seven thousand, eight hundred fourteen".