140418378 has 24 divisors (see below), whose sum is σ = 307035300. Its totient is φ = 46376064.

The previous prime is 140418361. The next prime is 140418403. The reversal of 140418378 is 873814041.

140418378 is a `hidden beast` number, since 1 + 404 + 183 + 78 = 666.

140418378 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 131400369 + 9018009 = 11463^2 + 3003^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33823 + ... + 37746.

Almost surely, 2^140418378 is an apocalyptic number.

140418378 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

140418378 is an abundant number, since it is smaller than the sum of its proper divisors (166616922).

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

140418378 is a wasteful number, since it uses less digits than its factorization.

140418378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71686 (or 71683 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 36.

The square root of 140418378 is about 11849.8260746730. The cubic root of 140418378 is about 519.7661399107.

The spelling of 140418378 in words is "one hundred forty million, four hundred eighteen thousand, three hundred seventy-eight".