134205401 has 16 divisors (see below), whose sum is σ = 151209600. Its totient is φ = 118039680.

The previous prime is 134205397. The next prime is 134205403. The reversal of 134205401 is 104502431.

It is not a de Polignac number, because 134205401 - 2² = 134205397 is a prime.

It is a super-2 number, since 2×134205401² = 36022179315141602, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (134205403) 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, 80165 + ... + 81821.

It is an arithmetic number, because the mean of its divisors is an integer number (9450600).

Almost surely, 2^134205401 is an apocalyptic number.

134205401 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

134205401 is a deficient number, since it is larger than the sum of its proper divisors (17004199).

134205401 is a wasteful number, since it uses less digits than its factorization.

134205401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1904.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 134205401 is about 11584.7054774819. The cubic root of 134205401 is about 511.9843249290.

Adding to 134205401 its reverse (104502431), we get a palindrome (238707832).

The spelling of 134205401 in words is "one hundred thirty-four million, two hundred five thousand, four hundred one".