134556431 has 8 divisors (see below), whose sum is σ = 136857600. Its totient is φ = 132266680.

The previous prime is 134556427. The next prime is 134556451. The reversal of 134556431 is 134655431.

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

It is a cyclic number.

It is not a de Polignac number, because 134556431 - 2² = 134556427 is a prime.

It is a super-2 number, since 2×134556431² = 36210866246915522, 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 (134556421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22850 + ... + 28128.

It is an arithmetic number, because the mean of its divisors is an integer number (17107200).

Almost surely, 2^134556431 is an apocalyptic number.

134556431 is a deficient number, since it is larger than the sum of its proper divisors (2301169).

134556431 is an equidigital number, since it uses as much as digits as its factorization.

134556431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5709.

The product of its digits is 21600, while the sum is 32.

The square root of 134556431 is about 11599.8461627730. The cubic root of 134556431 is about 512.4303213619.

The spelling of 134556431 in words is "one hundred thirty-four million, five hundred fifty-six thousand, four hundred thirty-one".