140553034566 has 32 divisors (see below), whose sum is σ = 321342282240. Its totient is φ = 40148234496.

The previous prime is 140553034561. The next prime is 140553034627. The reversal of 140553034566 is 665430355041.

It is a super-2 number, since 2×140553034566² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140553034561) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 231826 + ... + 578661.

It is an arithmetic number, because the mean of its divisors is an integer number (10041946320).

Almost surely, 2^140553034566 is an apocalyptic number.

140553034566 is an abundant number, since it is smaller than the sum of its proper divisors (180789247674).

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

140553034566 is a wasteful number, since it uses less digits than its factorization.

140553034566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 814628.

The product of its (nonzero) digits is 648000, while the sum is 42.

The spelling of 140553034566 in words is "one hundred forty billion, five hundred fifty-three million, thirty-four thousand, five hundred sixty-six".