140306644506 has 16 divisors (see below), whose sum is σ = 320700901824. Its totient is φ = 40087612704.

The previous prime is 140306644483. The next prime is 140306644523. The reversal of 140306644506 is 605446603041.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1670317155 + ... + 1670317238.

It is an arithmetic number, because the mean of its divisors is an integer number (20043806364).

Almost surely, 2^140306644506 is an apocalyptic number.

140306644506 is an abundant number, since it is smaller than the sum of its proper divisors (180394257318).

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

140306644506 is a wasteful number, since it uses less digits than its factorization.

140306644506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3340634405.

The product of its (nonzero) digits is 207360, while the sum is 39.

The spelling of 140306644506 in words is "one hundred forty billion, three hundred six million, six hundred forty-four thousand, five hundred six".