140671368 has 48 divisors (see below), whose sum is σ = 387242700. Its totient is φ = 46120320.

The previous prime is 140671357. The next prime is 140671393. The reversal of 140671368 is 863176041.

It can be written as a sum of positive squares in 2 ways, for example, as 86825124 + 53846244 = 9318^2 + 7338^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

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 11 ways as a sum of consecutive naturals, for example, 11623 + ... + 20406.

Almost surely, 2^140671368 is an apocalyptic number.

140671368 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

140671368 is an abundant number, since it is smaller than the sum of its proper divisors (246571332).

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

140671368 is a wasteful number, since it uses less digits than its factorization.

140671368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32102 (or 32095 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 140671368 is about 11860.4961110402. The cubic root of 140671368 is about 520.0781046388.

The spelling of 140671368 in words is "one hundred forty million, six hundred seventy-one thousand, three hundred sixty-eight".