140578012 has 24 divisors (see below), whose sum is σ = 255582432. Its totient is φ = 67603200.

The previous prime is 140577967. The next prime is 140578021. The reversal of 140578012 is 210875041.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a congruent 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 7 ways as a sum of consecutive naturals, for example, 5608 + ... + 17680.

It is an arithmetic number, because the mean of its divisors is an integer number (10649268).

Almost surely, 2^140578012 is an apocalyptic number.

It is an amenable number.

140578012 is a deficient number, since it is larger than the sum of its proper divisors (115004420).

140578012 is a wasteful number, since it uses less digits than its factorization.

140578012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12189 (or 12187 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 28.

The square root of 140578012 is about 11856.5598720708. The cubic root of 140578012 is about 519.9630299160.

The spelling of 140578012 in words is "one hundred forty million, five hundred seventy-eight thousand, twelve".