141279257 has 4 divisors (see below), whose sum is σ = 161462016. Its totient is φ = 121096500.

The previous prime is 141279247. The next prime is 141279287. The reversal of 141279257 is 752972141.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 141279257 - 2⁸ = 141279001 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 141279257.

It is not an unprimeable number, because it can be changed into a prime (141279247) 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 3 ways as a sum of consecutive naturals, for example, 10091369 + ... + 10091382.

It is an arithmetic number, because the mean of its divisors is an integer number (40365504).

Almost surely, 2^141279257 is an apocalyptic number.

It is an amenable number.

141279257 is a deficient number, since it is larger than the sum of its proper divisors (20182759).

141279257 is an equidigital number, since it uses as much as digits as its factorization.

141279257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20182758.

The product of its digits is 35280, while the sum is 38.

The square root of 141279257 is about 11886.0951115158. The cubic root of 141279257 is about 520.8261731254.

The spelling of 141279257 in words is "one hundred forty-one million, two hundred seventy-nine thousand, two hundred fifty-seven".