141312261 has 4 divisors (see below), whose sum is σ = 188416352. Its totient is φ = 94208172.

The previous prime is 141312251. The next prime is 141312271. The reversal of 141312261 is 162213141.

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, and also an emirpimes, since its reverse is a distinct semiprime: 162213141 = 3 ⋅54071047.

It is an interprime number because it is at equal distance from previous prime (141312251) and next prime (141312271).

It is not a de Polignac number, because 141312261 - 2⁷ = 141312133 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (141312251) 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, 23552041 + ... + 23552046.

It is an arithmetic number, because the mean of its divisors is an integer number (47104088).

Almost surely, 2^141312261 is an apocalyptic number.

It is an amenable number.

141312261 is a deficient number, since it is larger than the sum of its proper divisors (47104091).

141312261 is an equidigital number, since it uses as much as digits as its factorization.

141312261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47104090.

The product of its digits is 288, while the sum is 21.

The square root of 141312261 is about 11887.4833753827. The cubic root of 141312261 is about 520.8667263980.

The spelling of 141312261 in words is "one hundred forty-one million, three hundred twelve thousand, two hundred sixty-one".