140032186427 has 6 divisors (see below), whose sum is σ = 162894584268. Its totient is φ = 120027588324.

The previous prime is 140032186381. The next prime is 140032186453. The reversal of 140032186427 is 724681230041.

It is not a de Polignac number, because 140032186427 - 2⁶ = 140032186363 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140032186477) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1428899813 + ... + 1428899910.

It is an arithmetic number, because the mean of its divisors is an integer number (27149097378).

Almost surely, 2^140032186427 is an apocalyptic number.

140032186427 is a deficient number, since it is larger than the sum of its proper divisors (22862397841).

140032186427 is an equidigital number, since it uses as much as digits as its factorization.

140032186427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2857799737 (or 2857799730 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 38.

The spelling of 140032186427 in words is "one hundred forty billion, thirty-two million, one hundred eighty-six thousand, four hundred twenty-seven".