134950581 has 24 divisors (see below), whose sum is σ = 201836544. Its totient is φ = 86819040.

The previous prime is 134950577. The next prime is 134950609. The reversal of 134950581 is 185059431.

It is not a de Polignac number, because 134950581 - 2² = 134950577 is a prime.

It is a super-2 number, since 2×134950581² = 36423318624475122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134950511) 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 23 ways as a sum of consecutive naturals, for example, 40696 + ... + 43886.

It is an arithmetic number, because the mean of its divisors is an integer number (8409856).

Almost surely, 2^134950581 is an apocalyptic number.

It is an amenable number.

134950581 is a deficient number, since it is larger than the sum of its proper divisors (66885963).

134950581 is a wasteful number, since it uses less digits than its factorization.

134950581 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3361 (or 3358 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 36.

The square root of 134950581 is about 11616.8231888068. The cubic root of 134950581 is about 512.9301798438.

It can be divided in two parts, 134950 and 581, that added together give a palindrome (135531).

The spelling of 134950581 in words is "one hundred thirty-four million, nine hundred fifty thousand, five hundred eighty-one".