140002312 has 8 divisors (see below), whose sum is σ = 262504350. Its totient is φ = 70001152.

The previous prime is 140002307. The next prime is 140002321. The reversal of 140002312 is 213200041.

140002312 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 only one way, i.e., 75585636 + 64416676 = 8694^2 + 8026^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 140002292 and 140002301.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8750137 + ... + 8750152.

Almost surely, 2^140002312 is an apocalyptic number.

It is an amenable number.

140002312 is a deficient number, since it is larger than the sum of its proper divisors (122502038).

140002312 is a wasteful number, since it uses less digits than its factorization.

140002312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17500295 (or 17500291 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 140002312 is about 11832.2572656277. The cubic root of 140002312 is about 519.2522685137.

Adding to 140002312 its reverse (213200041), we get a palindrome (353202353).

The spelling of 140002312 in words is "one hundred forty million, two thousand, three hundred twelve".