134299881 has 24 divisors (see below), whose sum is σ = 207309960. Its totient is φ = 83483136.

The previous prime is 134299877. The next prime is 134299883. The reversal of 134299881 is 188992431.

It can be written as a sum of positive squares in 4 ways, for example, as 67322025 + 66977856 = 8205^2 + 8184^2 .

It is not a de Polignac number, because 134299881 - 2² = 134299877 is a prime.

It is a super-2 number, since 2×134299881² = 36072916073228322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (134299883) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12651 + ... + 20703.

It is an arithmetic number, because the mean of its divisors is an integer number (8637915).

Almost surely, 2^134299881 is an apocalyptic number.

It is an amenable number.

134299881 is a deficient number, since it is larger than the sum of its proper divisors (73010079).

134299881 is a wasteful number, since it uses less digits than its factorization.

134299881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8185 (or 8182 counting only the distinct ones).

The product of its digits is 124416, while the sum is 45.

The square root of 134299881 is about 11588.7825503803. The cubic root of 134299881 is about 512.1044416352.

The spelling of 134299881 in words is "one hundred thirty-four million, two hundred ninety-nine thousand, eight hundred eighty-one".