140163915540726 has 1536 divisors, whose sum is σ = 451186661376000. Its totient is φ = 31136721408000.

The previous prime is 140163915540667. The next prime is 140163915540731. The reversal of 140163915540726 is 627045519361041.

140163915540726 is a `hidden beast` number, since 1 + 4 + 0 + 1 + 6 + 3 + 91 + 5 + 540 + 7 + 2 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 767 ways as a sum of consecutive naturals, for example, 169075892880 + ... + 169075893708.

It is an arithmetic number, because the mean of its divisors is an integer number (293741316000).

Almost surely, 2^{140163915540726} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 140163915540726, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (225593330688000).

140163915540726 is an abundant number, since it is smaller than the sum of its proper divisors (311022745835274).

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

140163915540726 is a wasteful number, since it uses less digits than its factorization.

140163915540726 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1087 (or 1050 counting only the distinct ones).

The product of its (nonzero) digits is 5443200, while the sum is 54.

The spelling of 140163915540726 in words is "one hundred forty trillion, one hundred sixty-three billion, nine hundred fifteen million, five hundred forty thousand, seven hundred twenty-six".