140330240601561 has 12 divisors (see below), whose sum is σ = 204493034978388. Its totient is φ = 92725586709504.

The previous prime is 140330240601557. The next prime is 140330240601581. The reversal of 140330240601561 is 165106042033041.

140330240601561 is a `hidden beast` number, since 1 + 4 + 0 + 3 + 3 + 0 + 2 + 40 + 601 + 5 + 6 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 25934381241561 + 114395859360000 = 5092581^2 + 10695600^2 .

It is not a de Polignac number, because 140330240601561 - 2² = 140330240601557 is a prime.

It is not an unprimeable number, because it can be changed into a prime (140330240601521) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 68992251000 + ... + 68992253033.

It is an arithmetic number, because the mean of its divisors is an integer number (17041086248199).

Almost surely, 2^{140330240601561} is an apocalyptic number.

It is an amenable number.

140330240601561 is a deficient number, since it is larger than the sum of its proper divisors (64162794376827).

140330240601561 is a wasteful number, since it uses less digits than its factorization.

140330240601561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137984504152 (or 137984504149 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The spelling of 140330240601561 in words is "one hundred forty trillion, three hundred thirty billion, two hundred forty million, six hundred one thousand, five hundred sixty-one".