134544331 has 4 divisors (see below), whose sum is σ = 134568112. Its totient is φ = 134520552.

The previous prime is 134544323. The next prime is 134544343. The reversal of 134544331 is 133445431.

134544331 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 134544331 - 2³ = 134544323 is a prime.

It is a super-2 number, since 2×134544331² = 36204354008475122, 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 134544331.

It is not an unprimeable number, because it can be changed into a prime (134544731) 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, 2026 + ... + 16528.

It is an arithmetic number, because the mean of its divisors is an integer number (33642028).

Almost surely, 2^134544331 is an apocalyptic number.

134544331 is a deficient number, since it is larger than the sum of its proper divisors (23781).

134544331 is an equidigital number, since it uses as much as digits as its factorization.

134544331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23780.

The product of its digits is 8640, while the sum is 28.

The square root of 134544331 is about 11599.3245924062. The cubic root of 134544331 is about 512.4149607861.

Adding to 134544331 its reverse (133445431), we get a palindrome (267989762).

The spelling of 134544331 in words is "one hundred thirty-four million, five hundred forty-four thousand, three hundred thirty-one".