140291811395 has 32 divisors (see below), whose sum is σ = 172873958400. Its totient is φ = 109236927744.

The previous prime is 140291811367. The next prime is 140291811397. The reversal of 140291811395 is 593118192041.

It is a cyclic number.

It is not a de Polignac number, because 140291811395 - 2²² = 140287617091 is a prime.

It is not an unprimeable number, because it can be changed into a prime (140291811397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 135025286 + ... + 135026324.

It is an arithmetic number, because the mean of its divisors is an integer number (5402311200).

Almost surely, 2^140291811395 is an apocalyptic number.

140291811395 is a deficient number, since it is larger than the sum of its proper divisors (32582147005).

140291811395 is a wasteful number, since it uses less digits than its factorization.

140291811395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2699.

The product of its (nonzero) digits is 77760, while the sum is 44.

The spelling of 140291811395 in words is "one hundred forty billion, two hundred ninety-one million, eight hundred eleven thousand, three hundred ninety-five".