261413033141 has 8 divisors (see below), whose sum is σ = 281526094080. Its totient is φ = 241300595952.

The previous prime is 261413033137. The next prime is 261413033143. The reversal of 261413033141 is 141330314162.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 261413033141 - 2² = 261413033137 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (261413033143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1073636 + ... + 1294418.

It is an arithmetic number, because the mean of its divisors is an integer number (35190761760).

Almost surely, 2^261413033141 is an apocalyptic number.

It is an amenable number.

261413033141 is a deficient number, since it is larger than the sum of its proper divisors (20113060939).

261413033141 is a wasteful number, since it uses less digits than its factorization.

261413033141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311875.

The product of its (nonzero) digits is 5184, while the sum is 29.

The spelling of 261413033141 in words is "two hundred sixty-one billion, four hundred thirteen million, thirty-three thousand, one hundred forty-one".