140971901828278 has 16 divisors (see below), whose sum is σ = 218281625164800. Its totient is φ = 68211413260200.

The previous prime is 140971901828257. The next prime is 140971901828279. The reversal of 140971901828278 is 872828109179041.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140971901828279) 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, 7923928 + ... + 18566971.

It is an arithmetic number, because the mean of its divisors is an integer number (13642601572800).

Almost surely, 2^{140971901828278} is an apocalyptic number.

140971901828278 is a deficient number, since it is larger than the sum of its proper divisors (77309723336522).

140971901828278 is a wasteful number, since it uses less digits than its factorization.

140971901828278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26576763.

The product of its (nonzero) digits is 32514048, while the sum is 67.

The spelling of 140971901828278 in words is "one hundred forty trillion, nine hundred seventy-one billion, nine hundred one million, eight hundred twenty-eight thousand, two hundred seventy-eight".