140546531642 has 32 divisors (see below), whose sum is σ = 233191151424. Its totient is φ = 62994672000.

The previous prime is 140546531621. The next prime is 140546531651. The reversal of 140546531642 is 246135645041.

It is a self number, because there is not a number n which added to its sum of digits gives 140546531642.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9389228 + ... + 9404184.

It is an arithmetic number, because the mean of its divisors is an integer number (7287223482).

Almost surely, 2^140546531642 is an apocalyptic number.

140546531642 is a deficient number, since it is larger than the sum of its proper divisors (92644619782).

140546531642 is a wasteful number, since it uses less digits than its factorization.

140546531642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20894.

The product of its (nonzero) digits is 345600, while the sum is 41.

The spelling of 140546531642 in words is "one hundred forty billion, five hundred forty-six million, five hundred thirty-one thousand, six hundred forty-two".