140536227 has 16 divisors (see below), whose sum is σ = 202539680. Its totient is φ = 86164992.

The previous prime is 140536213. The next prime is 140536243. The reversal of 140536227 is 722635041.

It is not a de Polignac number, because 140536227 - 2⁴ = 140536211 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 140536194 and 140536203.

It is not an unprimeable number, because it can be changed into a prime (140536267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4299 + ... + 17307.

It is an arithmetic number, because the mean of its divisors is an integer number (12658730).

Almost surely, 2^140536227 is an apocalyptic number.

140536227 is a deficient number, since it is larger than the sum of its proper divisors (62003453).

140536227 is a wasteful number, since it uses less digits than its factorization.

140536227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13302.

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 140536227 is about 11854.7976364002. The cubic root of 140536227 is about 519.9115073772.

The spelling of 140536227 in words is "one hundred forty million, five hundred thirty-six thousand, two hundred twenty-seven".