134437749 has 16 divisors (see below), whose sum is σ = 191275200. Its totient is φ = 83742336.

The previous prime is 134437747. The next prime is 134437759. The reversal of 134437749 is 947734431.

It is not a de Polignac number, because 134437749 - 2¹ = 134437747 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 134437749.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134437747) 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 15 ways as a sum of consecutive naturals, for example, 11994 + ... + 20315.

It is an arithmetic number, because the mean of its divisors is an integer number (11954700).

Almost surely, 2^134437749 is an apocalyptic number.

134437749 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

134437749 is a deficient number, since it is larger than the sum of its proper divisors (56837451).

134437749 is a wasteful number, since it uses less digits than its factorization.

134437749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32404.

The product of its digits is 254016, while the sum is 42.

The square root of 134437749 is about 11594.7293629476. The cubic root of 134437749 is about 512.2796184333.

It can be divided in two parts, 1344 and 37749, that added together give a palindrome (39093).

The spelling of 134437749 in words is "one hundred thirty-four million, four hundred thirty-seven thousand, seven hundred forty-nine".