134378411449 has 16 divisors (see below), whose sum is σ = 141756713280. Its totient is φ = 127030947840.

The previous prime is 134378411437. The next prime is 134378411459. The reversal of 134378411449 is 944114873431.

It is not a de Polignac number, because 134378411449 - 2²¹ = 134376314297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (134378411459) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37150089 + ... + 37153705.

It is an arithmetic number, because the mean of its divisors is an integer number (8859794580).

Almost surely, 2^134378411449 is an apocalyptic number.

134378411449 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

134378411449 is a deficient number, since it is larger than the sum of its proper divisors (7378301831).

134378411449 is a wasteful number, since it uses less digits than its factorization.

134378411449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7320.

The product of its digits is 1161216, while the sum is 49.

The spelling of 134378411449 in words is "one hundred thirty-four billion, three hundred seventy-eight million, four hundred eleven thousand, four hundred forty-nine".