140939378 has 8 divisors (see below), whose sum is σ = 222535920. Its totient is φ = 66760740.

The previous prime is 140939369. The next prime is 140939387. The reversal of 140939378 is 873939041.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (140939369) and next prime (140939387).

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

It is a Curzon number.

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 3 ways as a sum of consecutive naturals, for example, 1854428 + ... + 1854503.

It is an arithmetic number, because the mean of its divisors is an integer number (27816990).

Almost surely, 2^140939378 is an apocalyptic number.

140939378 is a deficient number, since it is larger than the sum of its proper divisors (81596542).

140939378 is a wasteful number, since it uses less digits than its factorization.

140939378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3708952.

The product of its (nonzero) digits is 163296, while the sum is 44.

The square root of 140939378 is about 11871.7891659177. The cubic root of 140939378 is about 520.4081829576.

The spelling of 140939378 in words is "one hundred forty million, nine hundred thirty-nine thousand, three hundred seventy-eight".