140812102 has 4 divisors (see below), whose sum is σ = 211218156. Its totient is φ = 70406050.

The previous prime is 140812093. The next prime is 140812103. The reversal of 140812102 is 201218041.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 140812102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140812103) 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 as a sum of consecutive naturals, namely, 35203024 + ... + 35203027.

It is an arithmetic number, because the mean of its divisors is an integer number (52804539).

Almost surely, 2^140812102 is an apocalyptic number.

140812102 is a deficient number, since it is larger than the sum of its proper divisors (70406054).

140812102 is an equidigital number, since it uses as much as digits as its factorization.

140812102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70406053.

The product of its (nonzero) digits is 128, while the sum is 19.

The square root of 140812102 is about 11866.4275163168. The cubic root of 140812102 is about 520.2514833871.

The spelling of 140812102 in words is "one hundred forty million, eight hundred twelve thousand, one hundred two".