140655620345 has 16 divisors (see below), whose sum is σ = 174879490320. Its totient is φ = 108474777600.

The previous prime is 140655620309. The next prime is 140655620401. The reversal of 140655620345 is 543026556041.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 662908009 + 139992712336 = 25747^2 + 374156^2 .

It is not a de Polignac number, because 140655620345 - 2³² = 136360653049 is a prime.

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, 663716 + ... + 849605.

It is an arithmetic number, because the mean of its divisors is an integer number (10929968145).

Almost surely, 2^140655620345 is an apocalyptic number.

It is an amenable number.

140655620345 is a deficient number, since it is larger than the sum of its proper divisors (34223869975).

140655620345 is a wasteful number, since it uses less digits than its factorization.

140655620345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1513996.

The product of its (nonzero) digits is 432000, while the sum is 41.

The spelling of 140655620345 in words is "one hundred forty billion, six hundred fifty-five million, six hundred twenty thousand, three hundred forty-five".