134837481 has 4 divisors (see below), whose sum is σ = 179783312. Its totient is φ = 89891652.

The previous prime is 134837467. The next prime is 134837491. The reversal of 134837481 is 184738431.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 134837481 - 2¹⁴ = 134821097 is a prime.

It is a super-2 number, since 2×134837481² = 36362292564850722, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (134837491) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22472911 + ... + 22472916.

It is an arithmetic number, because the mean of its divisors is an integer number (44945828).

Almost surely, 2^134837481 is an apocalyptic number.

It is an amenable number.

134837481 is a deficient number, since it is larger than the sum of its proper divisors (44945831).

134837481 is an equidigital number, since it uses as much as digits as its factorization.

134837481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44945830.

The product of its digits is 64512, while the sum is 39.

The square root of 134837481 is about 11611.9542282942. The cubic root of 134837481 is about 512.7868468378.

The spelling of 134837481 in words is "one hundred thirty-four million, eight hundred thirty-seven thousand, four hundred eighty-one".