134954689 has 3 divisors (see below), whose sum is σ = 134966307. Its totient is φ = 134943072.

The previous prime is 134954669. The next prime is 134954707. The reversal of 134954689 is 986459431.

It is a happy number.

The square root of 134954689 is 11617.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 46444225 + 88510464 = 6815^2 + 9408^2 .

It is not a de Polignac number, because 134954689 - 2¹⁵ = 134921921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (134954609) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 5809 + ... + 17425.

It is an arithmetic number, because the mean of its divisors is an integer number (44988769).

Almost surely, 2^134954689 is an apocalyptic number.

134954689 is the 11617-th square number.

134954689 is the 5809-th centered octagonal number.

It is an amenable number.

134954689 is a deficient number, since it is larger than the sum of its proper divisors (11618).

134954689 is an frugal number, since it uses more digits than its factorization.

134954689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23234 (or 11617 counting only the distinct ones).

The product of its digits is 933120, while the sum is 49.

The cubic root of 134954689 is about 512.9353844547.

Multiplying 134954689 by its sum of digits (49), we get a square (6612779761 = 81319²).

The spelling of 134954689 in words is "one hundred thirty-four million, nine hundred fifty-four thousand, six hundred eighty-nine".