134436377 has 4 divisors (see below), whose sum is σ = 134835636. Its totient is φ = 134037120.

The previous prime is 134436331. The next prime is 134436383. The reversal of 134436377 is 773634431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 773634431 = 7577 ⋅102103.

It can be written as a sum of positive squares in 2 ways, for example, as 69488896 + 64947481 = 8336^2 + 8059^2 .

It is a cyclic number.

It is not a de Polignac number, because 134436377 - 2²⁴ = 117659161 is a prime.

It is a super-2 number, since 2×134436377² = 36146278921772258, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 134436377.

It is not an unprimeable number, because it can be changed into a prime (134436977) 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, 199124 + ... + 199797.

It is an arithmetic number, because the mean of its divisors is an integer number (33708909).

Almost surely, 2^134436377 is an apocalyptic number.

It is an amenable number.

134436377 is a deficient number, since it is larger than the sum of its proper divisors (399259).

134436377 is an equidigital number, since it uses as much as digits as its factorization.

134436377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 399258.

The product of its digits is 127008, while the sum is 38.

The square root of 134436377 is about 11594.6701979832. The cubic root of 134436377 is about 512.2778757431.

The spelling of 134436377 in words is "one hundred thirty-four million, four hundred thirty-six thousand, three hundred seventy-seven".