140805378 has 48 divisors (see below), whose sum is σ = 361583040. Its totient is φ = 40229136.

The previous prime is 140805359. The next prime is 140805383. The reversal of 140805378 is 873508041.

140805378 is a `hidden beast` number, since 1 + 40 + 80 + 537 + 8 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17293 + ... + 24096.

It is an arithmetic number, because the mean of its divisors is an integer number (7532980).

Almost surely, 2^140805378 is an apocalyptic number.

140805378 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

140805378 is an abundant number, since it is smaller than the sum of its proper divisors (220777662).

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

140805378 is an equidigital number, since it uses as much as digits as its factorization.

140805378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41413 (or 41401 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 36.

The square root of 140805378 is about 11866.1441926179. The cubic root of 140805378 is about 520.2432023123.

The spelling of 140805378 in words is "one hundred forty million, eight hundred five thousand, three hundred seventy-eight".