134938873 has 4 divisors (see below), whose sum is σ = 136647040. Its totient is φ = 133230708.

The previous prime is 134938819. The next prime is 134938879. The reversal of 134938873 is 378839431.

It is a happy number.

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, and also an emirpimes, since its reverse is a distinct semiprime: 378839431 = 1511 ⋅250721.

It is a cyclic number.

It is not a de Polignac number, because 134938873 - 2¹⁷ = 134807801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (134938879) 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, 853965 + ... + 854122.

It is an arithmetic number, because the mean of its divisors is an integer number (34161760).

Almost surely, 2^134938873 is an apocalyptic number.

It is an amenable number.

134938873 is a deficient number, since it is larger than the sum of its proper divisors (1708167).

134938873 is an equidigital number, since it uses as much as digits as its factorization.

134938873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1708166.

The product of its digits is 435456, while the sum is 46.

The square root of 134938873 is about 11616.3192535329. The cubic root of 134938873 is about 512.9153458698.

It can be divided in two parts, 13493 and 8873, that added together give a triangular number (22366 = T₂₁₁).

The spelling of 134938873 in words is "one hundred thirty-four million, nine hundred thirty-eight thousand, eight hundred seventy-three".