140312400246 has 48 divisors (see below), whose sum is σ = 310542695424. Its totient is φ = 45766212912.

The previous prime is 140312400233. The next prime is 140312400253. The reversal of 140312400246 is 642004213041.

It is a happy number.

140312400246 is a `hidden beast` number, since 1 + 4 + 0 + 3 + 12 + 400 + 246 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4915411 + ... + 4943873.

It is an arithmetic number, because the mean of its divisors is an integer number (6469639488).

Almost surely, 2^140312400246 is an apocalyptic number.

140312400246 is an abundant number, since it is smaller than the sum of its proper divisors (170230295178).

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

140312400246 is a wasteful number, since it uses less digits than its factorization.

140312400246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34345 (or 34342 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 140312400246 its reverse (642004213041), we get a palindrome (782316613287).

The spelling of 140312400246 in words is "one hundred forty billion, three hundred twelve million, four hundred thousand, two hundred forty-six".