140802146 has 8 divisors (see below), whose sum is σ = 211255644. Its totient is φ = 70383600.

The previous prime is 140802107. The next prime is 140802149. The reversal of 140802146 is 641208041.

140802146 is digitally balanced in base 3, 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 140541025 + 261121 = 11855^2 + 511^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (140802149) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 7016 + ... + 18188.

Almost surely, 2^140802146 is an apocalyptic number.

140802146 is a deficient number, since it is larger than the sum of its proper divisors (70453498).

140802146 is a wasteful number, since it uses less digits than its factorization.

140802146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17476.

The product of its (nonzero) digits is 1536, while the sum is 26.

The square root of 140802146 is about 11866.0080060651. The cubic root of 140802146 is about 520.2392217851.

The spelling of 140802146 in words is "one hundred forty million, eight hundred two thousand, one hundred forty-six".