140306646566552 has 32 divisors (see below), whose sum is σ = 277412879937600. Its totient is φ = 66342995036064.

The previous prime is 140306646566549. The next prime is 140306646566579. The reversal of 140306646566552 is 255665646603041.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 140306646566491 and 140306646566500.

It is a congruent number.

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, 819692438 + ... + 819863589.

It is an arithmetic number, because the mean of its divisors is an integer number (8669152498050).

Almost surely, 2^{140306646566552} is an apocalyptic number.

It is an amenable number.

140306646566552 is a deficient number, since it is larger than the sum of its proper divisors (137106233371048).

140306646566552 is a wasteful number, since it uses less digits than its factorization.

140306646566552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1639556615 (or 1639556611 counting only the distinct ones).

The product of its (nonzero) digits is 93312000, while the sum is 59.

The spelling of 140306646566552 in words is "one hundred forty trillion, three hundred six billion, six hundred forty-six million, five hundred sixty-six thousand, five hundred fifty-two".