135131941 has 16 divisors (see below), whose sum is σ = 159264000. Its totient is φ = 112245120.

The previous prime is 135131921. The next prime is 135131951. The reversal of 135131941 is 149131531.

It is a cyclic number.

It is not a de Polignac number, because 135131941 - 2⁷ = 135131813 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135131911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43560 + ... + 46558.

It is an arithmetic number, because the mean of its divisors is an integer number (9954000).

Almost surely, 2^135131941 is an apocalyptic number.

It is an amenable number.

135131941 is a deficient number, since it is larger than the sum of its proper divisors (24132059).

135131941 is a wasteful number, since it uses less digits than its factorization.

135131941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3204.

The product of its digits is 1620, while the sum is 28.

The square root of 135131941 is about 11624.6264886232. The cubic root of 135131941 is about 513.1598525030.

The spelling of 135131941 in words is "one hundred thirty-five million, one hundred thirty-one thousand, nine hundred forty-one".