135861141 has 8 divisors (see below), whose sum is σ = 195082720. Its totient is φ = 83606832.

The previous prime is 135861137. The next prime is 135861181. The reversal of 135861141 is 141168531.

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

It is not a de Polignac number, because 135861141 - 2² = 135861137 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 135861099 and 135861108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135861181) 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 7 ways as a sum of consecutive naturals, for example, 1741771 + ... + 1741848.

It is an arithmetic number, because the mean of its divisors is an integer number (24385340).

Almost surely, 2^135861141 is an apocalyptic number.

It is an amenable number.

135861141 is a deficient number, since it is larger than the sum of its proper divisors (59221579).

135861141 is a wasteful number, since it uses less digits than its factorization.

135861141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3483635.

The product of its digits is 2880, while the sum is 30.

The square root of 135861141 is about 11655.9487387342. The cubic root of 135861141 is about 514.0812361824.

The spelling of 135861141 in words is "one hundred thirty-five million, eight hundred sixty-one thousand, one hundred forty-one".