140381612 has 12 divisors (see below), whose sum is σ = 280763280. Its totient is φ = 60163536.

The previous prime is 140381611. The next prime is 140381623. The reversal of 140381612 is 216183041.

140381612 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (140381611) by changing a digit.

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, 2506787 + ... + 2506842.

It is an arithmetic number, because the mean of its divisors is an integer number (23396940).

Almost surely, 2^140381612 is an apocalyptic number.

It is an amenable number.

140381612 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

140381612 is a wasteful number, since it uses less digits than its factorization.

140381612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5013640 (or 5013638 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 140381612 is about 11848.2746423266. The cubic root of 140381612 is about 519.7207721788.

The spelling of 140381612 in words is "one hundred forty million, three hundred eighty-one thousand, six hundred twelve".