134623401 has 16 divisors (see below), whose sum is σ = 199028928. Its totient is φ = 80251200.

The previous prime is 134623397. The next prime is 134623409. The reversal of 134623401 is 104326431.

It is not a de Polignac number, because 134623401 - 2² = 134623397 is a prime.

It is not an unprimeable number, because it can be changed into a prime (134623409) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31426 + ... + 35451.

It is an arithmetic number, because the mean of its divisors is an integer number (12439308).

Almost surely, 2^134623401 is an apocalyptic number.

134623401 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

134623401 is a deficient number, since it is larger than the sum of its proper divisors (64405527).

134623401 is a wasteful number, since it uses less digits than its factorization.

134623401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66952.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 134623401 is about 11602.7324798946. The cubic root of 134623401 is about 512.5153210569.

Adding to 134623401 its reverse (104326431), we get a palindrome (238949832).

The spelling of 134623401 in words is "one hundred thirty-four million, six hundred twenty-three thousand, four hundred one".