140779378 has 8 divisors (see below), whose sum is σ = 211222620. Its totient is φ = 70371840.

The previous prime is 140779361. The next prime is 140779381. The reversal of 140779378 is 873977041.

It can be written as a sum of positive squares in 2 ways, for example, as 140256649 + 522729 = 11843^2 + 723^2 .

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

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, 5778 + ... + 17746.

Almost surely, 2^140779378 is an apocalyptic number.

140779378 is a deficient number, since it is larger than the sum of its proper divisors (70443242).

140779378 is a wasteful number, since it uses less digits than its factorization.

140779378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17852.

The product of its (nonzero) digits is 296352, while the sum is 46.

The square root of 140779378 is about 11865.0485881854. The cubic root of 140779378 is about 520.2111790186.

The spelling of 140779378 in words is "one hundred forty million, seven hundred seventy-nine thousand, three hundred seventy-eight".