134545431 has 8 divisors (see below), whose sum is σ = 184242544. Its totient is φ = 87272640.

The previous prime is 134545421. The next prime is 134545519.

134545431 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 134545431 - 2⁵ = 134545399 is a prime.

It is a super-2 number, since 2×134545431² = 36204946005951522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134545421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 605950 + ... + 606171.

It is an arithmetic number, because the mean of its divisors is an integer number (23030318).

Almost surely, 2^134545431 is an apocalyptic number.

134545431 is a deficient number, since it is larger than the sum of its proper divisors (49697113).

134545431 is a wasteful number, since it uses less digits than its factorization.

134545431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1212161.

The product of its digits is 14400, while the sum is 30.

The square root of 134545431 is about 11599.3720088632. The cubic root of 134545431 is about 512.4163572401.

The spelling of 134545431 in words is "one hundred thirty-four million, five hundred forty-five thousand, four hundred thirty-one".