140390038978559 has 32 divisors (see below), whose sum is σ = 142410060325440. Its totient is φ = 138389624755200.

The previous prime is 140390038978517. The next prime is 140390038978573. The reversal of 140390038978559 is 955879830093041.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-140390038978559 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 140390038978492 and 140390038978501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140390038975559) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26060891864 + ... + 26060897250.

It is an arithmetic number, because the mean of its divisors is an integer number (4450314385170).

Almost surely, 2^{140390038978559} is an apocalyptic number.

140390038978559 is a deficient number, since it is larger than the sum of its proper divisors (2020021346881).

140390038978559 is a wasteful number, since it uses less digits than its factorization.

140390038978559 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8411.

The product of its (nonzero) digits is 293932800, while the sum is 71.

The spelling of 140390038978559 in words is "one hundred forty trillion, three hundred ninety billion, thirty-eight million, nine hundred seventy-eight thousand, five hundred fifty-nine".