134991949 has 8 divisors (see below), whose sum is σ = 140652288. Its totient is φ = 129413280.

The previous prime is 134991889. The next prime is 134991953. The reversal of 134991949 is 949199431.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 134991949 - 2⁷ = 134991821 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 (134991959) 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, 17032 + ... + 23665.

It is an arithmetic number, because the mean of its divisors is an integer number (17581536).

Almost surely, 2^134991949 is an apocalyptic number.

It is an amenable number.

134991949 is a deficient number, since it is larger than the sum of its proper divisors (5660339).

134991949 is a wasteful number, since it uses less digits than its factorization.

134991949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40835.

The product of its digits is 314928, while the sum is 49.

The square root of 134991949 is about 11618.6035735797. The cubic root of 134991949 is about 512.9825860104.

The spelling of 134991949 in words is "one hundred thirty-four million, nine hundred ninety-one thousand, nine hundred forty-nine".