134423401 has 4 divisors (see below), whose sum is σ = 153626752. Its totient is φ = 115220052.

The previous prime is 134423383. The next prime is 134423407. The reversal of 134423401 is 104324431.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 104324431 = 271 ⋅384961.

It is a cyclic number.

It is not a de Polignac number, because 134423401 - 2⁷ = 134423273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (134423407) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9601665 + ... + 9601678.

It is an arithmetic number, because the mean of its divisors is an integer number (38406688).

Almost surely, 2^134423401 is an apocalyptic number.

It is an amenable number.

134423401 is a deficient number, since it is larger than the sum of its proper divisors (19203351).

134423401 is an equidigital number, since it uses as much as digits as its factorization.

134423401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19203350.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 134423401 is about 11594.1106170331. The cubic root of 134423401 is about 512.2613932708.

Adding to 134423401 its reverse (104324431), we get a palindrome (238747832).

The spelling of 134423401 in words is "one hundred thirty-four million, four hundred twenty-three thousand, four hundred one".