140406335654 has 32 divisors (see below), whose sum is σ = 234191870976. Its totient is φ = 62695049760.

The previous prime is 140406335609. The next prime is 140406335677. The reversal of 140406335654 is 456533604041.

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 15 ways as a sum of consecutive naturals, for example, 3126749 + ... + 3171335.

It is an arithmetic number, because the mean of its divisors is an integer number (7318495968).

Almost surely, 2^140406335654 is an apocalyptic number.

140406335654 is a deficient number, since it is larger than the sum of its proper divisors (93785535322).

140406335654 is a wasteful number, since it uses less digits than its factorization.

140406335654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48540.

The product of its (nonzero) digits is 518400, while the sum is 41.

Adding to 140406335654 its reverse (456533604041), we get a palindrome (596939939695).

The spelling of 140406335654 in words is "one hundred forty billion, four hundred six million, three hundred thirty-five thousand, six hundred fifty-four".