140240778060373 has 8 divisors (see below), whose sum is σ = 144031394804792. Its totient is φ = 136450178444736.

The previous prime is 140240778060287. The next prime is 140240778060407. The reversal of 140240778060373 is 373060877042041.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1216822991409 + 139023955068964 = 1103097^2 + 11790842^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-140240778060373 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 140240778060373.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140240778070373) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13273711 + ... + 21369907.

It is an arithmetic number, because the mean of its divisors is an integer number (18003924350599).

Almost surely, 2^{140240778060373} is an apocalyptic number.

It is an amenable number.

140240778060373 is a deficient number, since it is larger than the sum of its proper divisors (3790616744419).

140240778060373 is an equidigital number, since it uses as much as digits as its factorization.

140240778060373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8564391.

The product of its (nonzero) digits is 4741632, while the sum is 52.

The spelling of 140240778060373 in words is "one hundred forty trillion, two hundred forty billion, seven hundred seventy-eight million, sixty thousand, three hundred seventy-three".