140977227 has 4 divisors (see below), whose sum is σ = 187969640. Its totient is φ = 93984816.

The previous prime is 140977223. The next prime is 140977237. The reversal of 140977227 is 722779041.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 722779041 = 3 ⋅240926347.

It is not a de Polignac number, because 140977227 - 2² = 140977223 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140977223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23496202 + ... + 23496207.

It is an arithmetic number, because the mean of its divisors is an integer number (46992410).

Almost surely, 2^140977227 is an apocalyptic number.

140977227 is a deficient number, since it is larger than the sum of its proper divisors (46992413).

140977227 is an equidigital number, since it uses as much as digits as its factorization.

140977227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46992412.

The product of its (nonzero) digits is 49392, while the sum is 39.

The square root of 140977227 is about 11873.3831320311. The cubic root of 140977227 is about 520.4547636617.

The spelling of 140977227 in words is "one hundred forty million, nine hundred seventy-seven thousand, two hundred twenty-seven".