140227497 has 16 divisors (see below), whose sum is σ = 208008960. Its totient is φ = 93366000.

The previous prime is 140227489. The next prime is 140227501. The reversal of 140227497 is 794722041.

140227497 is a `hidden beast` number, since 140 + 2 + 27 + 497 = 666.

It is not a de Polignac number, because 140227497 - 2³ = 140227489 is a prime.

It is not an unprimeable number, because it can be changed into a prime (140227457) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21747 + ... + 27447.

It is an arithmetic number, because the mean of its divisors is an integer number (13000560).

Almost surely, 2^140227497 is an apocalyptic number.

It is an amenable number.

140227497 is a deficient number, since it is larger than the sum of its proper divisors (67781463).

140227497 is an equidigital number, since it uses as much as digits as its factorization.

140227497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6621 (or 6615 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 36.

The square root of 140227497 is about 11841.7691668095. The cubic root of 140227497 is about 519.5305143656.

The spelling of 140227497 in words is "one hundred forty million, two hundred twenty-seven thousand, four hundred ninety-seven".