134006399 has 4 divisors (see below), whose sum is σ = 135307536. Its totient is φ = 132705264.

The previous prime is 134006387. The next prime is 134006407. The reversal of 134006399 is 993600431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 993600431 = 383 ⋅2594257.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-134006399 is a prime.

It is a Duffinian number.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134006339) 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, 650414 + ... + 650619.

It is an arithmetic number, because the mean of its divisors is an integer number (33826884).

Almost surely, 2^134006399 is an apocalyptic number.

134006399 is a deficient number, since it is larger than the sum of its proper divisors (1301137).

134006399 is a wasteful number, since it uses less digits than its factorization.

134006399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1301136.

The product of its (nonzero) digits is 17496, while the sum is 35.

The square root of 134006399 is about 11576.1132941933. The cubic root of 134006399 is about 511.7311401224.

The spelling of 134006399 in words is "one hundred thirty-four million, six thousand, three hundred ninety-nine".