134433661131 has 96 divisors (see below), whose sum is σ = 256164180480. Its totient is φ = 65816064000.

The previous prime is 134433661129. The next prime is 134433661139. The reversal of 134433661131 is 131166334431.

134433661131 is a `hidden beast` number, since 1 + 3 + 4 + 4 + 3 + 3 + 6 + 611 + 31 = 666.

It is not a de Polignac number, because 134433661131 - 2¹ = 134433661129 is a prime.

It is a super-3 number, since 3×134433661131³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (134433661139) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2514781 + ... + 2567681.

It is an arithmetic number, because the mean of its divisors is an integer number (2668376880).

Almost surely, 2^134433661131 is an apocalyptic number.

134433661131 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

134433661131 is a deficient number, since it is larger than the sum of its proper divisors (121730519349).

134433661131 is a wasteful number, since it uses less digits than its factorization.

134433661131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53137 (or 53134 counting only the distinct ones).

The product of its digits is 46656, while the sum is 36.

Adding to 134433661131 its reverse (131166334431), we get a palindrome (265599995562).

The spelling of 134433661131 in words is "one hundred thirty-four billion, four hundred thirty-three million, six hundred sixty-one thousand, one hundred thirty-one".