134431401 has 8 divisors (see below), whose sum is σ = 193029760. Its totient is φ = 82726992.

The previous prime is 134431391. The next prime is 134431417. The reversal of 134431401 is 104134431.

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

It is not a de Polignac number, because 134431401 - 2⁵ = 134431369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (134431001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1723441 + ... + 1723518.

It is an arithmetic number, because the mean of its divisors is an integer number (24128720).

Almost surely, 2^134431401 is an apocalyptic number.

It is an amenable number.

134431401 is a deficient number, since it is larger than the sum of its proper divisors (58598359).

134431401 is a wasteful number, since it uses less digits than its factorization.

134431401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3446975.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 134431401 is about 11594.4556146462. The cubic root of 134431401 is about 512.2715552163.

Adding to 134431401 its reverse (104134431), we get a palindrome (238565832).

The spelling of 134431401 in words is "one hundred thirty-four million, four hundred thirty-one thousand, four hundred one".